# Category

Hummingbird offers a free, turnkey e-book and audiobook retailing platform. The platform allows bookstores, publishers, media, nonprofits, bloggers, and others to compete with Amazon, Apple, and Barnes & Noble in the digital arena.

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Each merchant gets its own branded and customizable storefront for their customers to use for the discovery, purchasing, and downloading of e-books and audiobooks. They also get a robust branded app for reading and listening.

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Merchants can sell directly to their customers from the full catalogs of more than 3,400 publishers, including Workman, S& S, Hachette, Macmillan, HarperCollins, Penguin Random House, etc.

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There are never any fees involved. Merchants get their customers' email addresses and make up to 25 percent of every sale.

Questions? Please email us at Support@HummingbirdDM.com. Thanks!

Perilous Problems for Puzzle Lovers

Alex Bellos

$15.95

Practical Shop Math

Tom Begnal

$24.95

Sacred Geometry: Language of the Angels

Richard Heath

$26.99

Dynamical Theories of Brownian Motion

Edward Nelson

$30.95

From the Calculus to Set Theory 1630-1910

$80.00

Classical and Nonclassical Logics

Eric Schechter

$130.00

Equidistribution Of Dynamical Systems: Time-quantitative Second Law

Jozsef Beck

$118.00

Structure And Randomness In Computability And Set Theory

$102.00

More Hands-On Science

$20.99

Wavefronts and Rays as Characteristics and Asymptotics

Andrej Bóna, Michael A Slawinski

$102.00

Multifaceted Nature Of Creativity In The Teaching Of Geometry, The

$102.00

The Joy of Geometry

Alfred S. Posamentier

$18.00

Correct Antidifferentiation

Antonio Martínez-Abejón

$78.00

Cubed

Erno Rubik

$13.99

William Morgan

Nicola Bruton Bennetts

$26.19

Bayesian Statistics for Experimental Scientists

Richard A. Chechile

$40.99

Sacred Geometry

Jemma Foster

$7.99

Lectures on Vector Bundles over Riemann Surfaces. (MN-6), Volume 6

Robert C. Gunning

$80.00

Honors Calculus

Charles R. MacCluer

$75.00

Mathematics and Plausible Reasoning, Volume 1

G. Polya

$62.50

TeeJay SQA National 4 Applications of Mathematics

Thomas Strang

$9.99

Essential Mathematics for NMR and MRI Spectroscopists

Keith C Brown

$122.00

Generalized Synchronization and Generalized Consensus of System Arrays

Lequan Min, Guanrong Chen

$62.00

x + y

Eugenia Cheng

$16.99

Pluses and Minuses

Stefan Buijsman

$12.99

Fy Nodiadau Adolygu: CBAC U2 Mathemateg (My Revision Notes: WJEC A2 Mathematics Welsh-language edition)

Sophie Goldie, Rose Jewell

$9.99

Trust in Numbers

Theodore M. Porter

$27.95

The Rise of Statistical Thinking, 1820–1900

Theodore M. Porter

$27.95

AP Statistics Premium

Martin Sternstein

$13.99

Regents Exams and Answers Geometry 2020

Andre Castagna

$7.99