Discrete Mathematics and Its Applications

by Kenneth H. Rosen

Stiff

by Mary Roach, M Roach

The human head is of the same approximate size and weight as a roaster chicken.

The letters of J.R.R. Tolkien

by J.R.R. Tolkien, Humphrey Carpenter

Artificial intelligence

by Stuart J. Russell, Peter Norvig

The Best Friend

by Robert Lawrence Stine

Good Strategy, Bad Strategy

by Richard P. Rumelt

Physics

by David Halliday, Robert Resnick

The laws of physics are expressed in terms of many different quantities: mass, length, time, force, speed, density, resi...

A world history of photography

by Naomi Rosenblum

Understanding architecture

by Leland M. Roth

Organizational Behavior

by Stephen P. Robbins

Archaeology

by Colin Renfrew

All theories of the past rely implicitly upon some concept of human nature: why humans behave the way we do, and how our...

Biology of plants

by Peter H. Raven

Los Cuatro Acuerdos

by Don Miguel Ruiz

The elements of moral philosophy

by James Rachels, Stuart Rachels

Tolkien Bestiary

by David Day

AINUR In the very beginning there was Eru, the One, who dwelt in the Void, and whose name in Elvish was Iluvatar.

Renewable energy

by Godfrey Boyle

Fear Street - Cat

by Robert Lawrence Stine

The Fellowship of the Ring

by J.R.R. Tolkien

When Mr. Bilbo Baggins of Bag End announced that he would shortly be celebrating his eleventy-first birthday with a part...

SPIN selling

by Neil Rackham

Joy of Cooking

by Irma S. Rombauer, Marion Rombauer Becker

Put this puzzle together and you will find milk, cheese and eggs, meat, fish, beans and cereals, greens, fruits and root...