January 8, 2013

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Guesstimation 2.0:
Solving Today’s Problems on the Back of a Napkin
Lawrence Weinstein
Illustrations by Patricia Edwards

Paper with French folds | 2012 | $19.95 / £13.95 | ISBN: 9780691150802
377 pp. | 4 1/2 x 7 1/2 | 95 halftones.

eBook | 2012 | $19.95 | ISBN: 9781400844661
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Preface [PDF]

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Guesstimation 2.0 reveals the simple and effective techniques needed to estimate virtually anything–quickly–and illustrates them using an eclectic array of problems. A stimulating follow-up to Guesstimation, this is the must-have book for anyone preparing for a job interview in technology or finance, where more and more leading businesses test applicants using estimation questions just like these.

The ability to guesstimate on your feet is an essential skill to have in today’s world, whether you’re trying to distinguish between a billion-dollar subsidy and a trillion-dollar stimulus, a megawatt wind turbine and a gigawatt nuclear plant, or parts-per-million and parts-per-billion contaminants. Lawrence Weinstein begins with a concise tutorial on how to solve these kinds of order of magnitude problems, and then invites readers to have a go themselves. The book features dozens of problems along with helpful hints and easy-to-understand solutions. It also includes appendixes containing useful formulas and more.

Guesstimation 2.0 shows how to estimate everything from how closely you can orbit a neutron star without being pulled apart by gravity, to the fuel used to transport your food from the farm to the store, to the total length of all toilet paper used in the United States. It also enables readers to answer, once and for all, the most asked environmental question of our day: paper or plastic?

Lawrence Weinstein is University Professor of Physics at Old Dominion University. He is the coauthor ofGuesstimation: Solving the World’s Problems on the Back of a Cocktail Napkin (Princeton). Patricia Edwardsis senior lecturer in art at Old Dominion. A graduate of the Rhode Island School of Design, she lives in Norfolk, Virginia.


“This follow-up to the popular Guesstimation offers more on the joy of mathematical estimation, and inspiration for the budding analyst.”–Nature

“The books do a wonderful job at helping the reader to master the craft.”–Cut the Knot Insights

“A delightful volume. . . . I hope to be able to use many of the tricks I learned in the future. I also hope to teach some of them to students. This would make a great secondary textbook in many classes, ranging from quantitative literacy to a science methods class for future educators. A careful study of this book would certainly improve a student’s ability to take a complicated question, break it down into solvable parts, and assemble the parts to find an answer. Because this is quite close to what I want my students to do when faced with a difficult problem in pure mathematics as well, I consider this to be a very valuable book indeed.”–Dominic Klyve, MAA Reviews

Guesstimation 2.0: Solving Today’s Problems on the Back of a Napkin succeeds where most popular science literature so often fails. This is because it provides its readers with a scientific tool they can use immediately in their everyday lives. . . . [Makes] an excellent addition for the casual scientist, job interviewee, or anyone hoping to impress their friends at a party.”–Gabriel Thoumi,


“This is an absolutely great book, a worthy sequel to Guesstimation. The breadth of scope of the problems is truly impressive. Weinstein’s arguments are always convincing and, in many cases, very clever. His sense of humor provides a pain-free tutorial on how analysts can make real progress in understanding vaguely defined problems.”–Paul J. Nahin, author of Number-Crunching: Taming Unruly Computational Problems from Mathematical Physics to Science Fiction

More Endorsements

Table of Contents

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For customers in the U.S., Canada, Latin America, Asia, and Australia

Paper with French folds: $19.95 ISBN: 9780691150802

For customers in Europe, Africa, the Middle East, and India

Paper with French folds: £13.95 ISBN: 9780691150802

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File created: 1/7/2013

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Exhibitions at the Chrysler Museum of Art — Chrysler Museum of Art

September 21, 2011

Exhibitions at the Chrysler Museum of Art — Chrysler Museum of Art.

Earth Day ~ Every Day: ODU Art Education Free Art Classes

April 11, 2011

ODU art education students  are hosting free children’s Art Classes for students in grades 1st through 5th.

Classes are held at Old Dominion University in the Visual Art Building. 

Attend one, two or all three art days.  Each lesson will be taught by a new team of future teachers.

Buzzing artwork collage created by ODU student Caitlin Geisaka

Design by ODU student Caitlin Geisaka

To “reserve” a spot in the classes, sign-up on-line:

Gregory Warmack, ODU Visiting Artist Works with local public school students

December 1, 2010

Mr. Imagination Visits ODU

This fall 2010 semester, Mr. Gregory Warmack (a.k.a. Mr. Imagination) was hosted by Patti Edwards as a visiting artist.  Gregory Warmack spent time working with students from the ODU Art Education courses ARTE 305 and ARTE 406. ” Mr. I” shared his vision as a self-taught artist,  reviewed student work, joined pre-service art education students in the classroom and led workshops on campus and in the community.  A free art lecture was conducted at the Baron and Ellin Gordon Art Galleries at ODU.


September 24, 2010
Gregory Warmack

Photo Courtesy Ron Gordon. Copyright.

The Art Education Program at Old Dominion University is pleased to present a free community lecture and workshop on Saturday Oct. 2nd at 10am at the Baron and Ellin Gordon Art Galleries followed by an afternoon hands-on workshop in the art studio at ODU from 12:00-4:00 with the artist. 

Mr. Gregory Warmack, also known as “Mr. Imagination” is a contemporary, visionary, self-taught artist whose work is an important part of “Collective Wisdom” at the Baron and Ellin Gordon Art Galleries at Old Dominion University.

Mr. Imagination currently resides in Atlanta Georgia.  Mr. Imagination creates art with metaphor, meaning and wisdom.  He uses recycled materials to create original works of art that are personal, whimsical and powerful.

In addition to the free lecture on campus, the ODU students will work earlier in the week in the public schools as part of their ongoing service-learning. ODU students will work with fourth and fifth graders at the Willard Model School; Norfolk Public School.  The workshops with visiting artist Mr. Gregory Warmack will be linked to Virginia SOLs and based on the concepts of community identity and transformations.

An exhibition of work from the workshops will be hosted by ODU Art Education students at Waterside on the second floor at Bridge Deck across from Mayer Fine Art.  An opening celebration is set for Monday, October 25th from 4:00-6:00pm; all are welcome to attend this free event.

For more information on the Baron and Ellin Gordon Art Galleries visit:


Saturday, October 2nd
10am – Lecture and workshop

12:00 – 4:00 – Free afternoon studio workshop (please bring a wooden chair to transform)

To register for the lecture/workshop; pre-registration is required:

SKYPE Mr. Imagination summer 2010

July 22, 2010

Visiting Artist Gregory Warmack Skypes into ODU Art Education

Our “Big Idea” this summer session 2010 in art education was Imagination…. ODU students were able to perform their first SKYPE and brought visiting artist Gregory Warmack A.K.A. Mr. Imagination to our class studio…. via SKYPE. 

Using technology in this capacity allowed students to engage face to face… and young students visiting Camp Daley loved the experience.  ..coming soon.… October 1, 2010.. meet “Mr. I” at Old Dominion University for a free community studio workshop hosted by Art Education Students.  Imagination…Dreaming… Anything is Possible…

Visionary Art Museum

April 27, 2010
Visionary Art Museum

Captured at the VAM in Baltimore, MD

NAEA Conference 2010

April 27, 2010

Remembering Grace Sherwood

National Juried Exhibition: Women's Caucus Exhibition NAEA 2010

Recent images of sculpture created by Patty Edwards, Art Lecturer at the VBHEC, were accepted to the nationally juried 2010 NAEA Women’s Caucus Exhibition: Visualizing Social Justice.  Edwards spoke on her series titled: And I Surfaced: Remembering Grace Sherwood as part of the 2010 NAEA National Convention in Baltimore, Maryland held on Saturday April 17th.Garden of Eden

Visionary Art Museum

Captured at the VAM in Baltimore, MD

Visiting Artist Lecture and Teacher Workshop: MAMA GIRL

January 28, 2010

“WE CAN COME TOGETHER: Celebrating the Legacy of Dr. Martin L. King Jr.”

ODU Students, art education teachers, alumni and the community came together at ODU for a Visiting Artist Lecture at the Baron and Ellin Gordon Galleries and Studios on February 16, 17, 18th.  Designed for art teachers and students, the weekend workshop was led by self-taught artist, MAMA GIRL.

About the Project.  “We Can Come Together” is a current collaboration with the ODU Art Education Program and artist MAMA GIRL.  Students learn new methods of recycling, reducing and reusing newspaper and with a small amount of glue to create papier mache figures.  Individual figures are then installed by hand by MAMAGIRL and represent the coming together, as community, committed to the vision and ideals of social justice.  This work honors the legacy of Dr. Martin L. King Jr., and reaffirms our commitment as teachers and artists for social justice and equity.  The project concept is growing and the installation developing in partnership with MAMAGIRL. Copyright MAMAGIRL and all image rights reserved.  For more information

Studio Collaboration with MAMA GIRL 2010

MAMA GIRL Visiting Artist Free Lecture Teacher Workshop

January 10, 2010

 To register for this event click on:

  MamaGirl Lecture
Saturday, January 16th 10:00am
Baron & Ellin Gordon Galleries,
Old Dominion University
Followed by FREE Teacher & Student
Workshops  (led by MamaGirl)
Saturday, Jan. 16 – Monday, Jan. 18 Social Justice: “We Can Come Together”
Celebrating the Legacy of Dr. Martin L. King, Jr. ODU Visual Arts Building, 49TH Street

  Hosted by the ODU Art Education Program