Algebra I

Geometry

Algebra IISearch for Alg 2 Books 
Honors Algebra II/TrigonometryISBN: 0321716566 (C)2012 (9th Edition) or 9780321716569 
PrecalculusPrecalculus (7th Ed) by Roland E. Larson, Robert P. Hostetler ISBN 0618643451 (c)2006 or 9780618643455 or 0618643443 or 9780618643448 Search for Precalculus Books (old printing) Search for Precalculus Books (new printing) Search for Solution Manual eBook edupace Plus On Line Study Student Web Site Publisher's Link sells an eBook version(around $80) and the EduspacePlus online study passkey 
Calculus

AP StatisticsThe Practice of Statistics:TI83/89 Graphing Calculator Enhanced by Daniel S. Yates David S. Moore and Daren S Starnes (4rd Edition) Pages Hardcover (ISBN 142924559X)

Java Concepts for AP Computer Science, 5th edition by Cay Horstman 
Study Guide for Java Concepts for AP Computer Science, 5th Edby Frances P. Trees Search for ISBN: 9780470181614 
History of Pi By Beckmann. Small fun book about the ratio between a circle's perimeter and its diameter.
How To Solve It by G. Polya. A thin classic by the famous Stanford mathematician that makes clear the heuristics behind learning and doing mathematics. I think of this work as the mathematician's version of Stanislavsky's An Actor Prepares.
A Mathematician's Apology by G.H. Hardy. A charming reflective and humorous book by the famous Cambridge Don.
Men of Mathematics by E.T. Bell. A Classic collection of biographies of famous Mathematicians. If you'd rather read about who comes up with math rather than actuallly work through some math, this book is for you.
The Art of Mathematics by Jerry King. The book for "nonmath" people to see why "math people" are in love with mathematics. It also encourges "M" types to be more inclusive, and make the delights of mathematics more accessible.
The World of Mathematics Vol 1 Vol 2 Vol 3 Vol 4 A new Edition from Jacobs A wonderful collection of origial Source material.
Flatland by Abbott. A famous classic of the 19th century, it is the story of how 2D beings experience 3D, and how 3D beings might experience 4D. There's a annoted version as well, if you prefer to see where the fantasy is connected to real live mathematics!
The Man Who Loved Only Numbers by Paul Hoffman. A delightful biography of the eccentric Mathematician Paul Erdos
The Mystery of the Aleph : Mathematics, the Kabbalah, and the Search for Infinity by Amir D. Aczel. A Delightful story of how we have come to count the infinite (transfinite numbers) and the man who did so much for set theory, Georg Cantor. Dr. Aczel tells a complelling, human side of the story without neglecting the wonderful mathematical ideas.
Fermat's Last Theorem : Unlocking the Secret of an Ancient Mathematical Problem also by Amir D. Aczel. A Delightful story of how Andrew Wiles' long journey finally resolve's Fermat's Last Theorem (a^{n} + b^{n} ≠ c^{n} for n > 2 ). For a quicker, lighter treatment, see the Nova episode "The Proof"
Entanglment Dr. Amir D. Aczel does it again! This is the book if you want to depart from the simple world of mathematics and stick your toe into the mystifying world of quantum mechanics, where a single photon of light can interfer with itself! As usual, Dr. Aczel mixes the anecdotal and biographical with the theoretical, and offers a historical and intuiative glimpse into the tiny wourld of the quantum. Beware of quantum ducks : "Quark! Quark!"
Linked: How Everything Is Connected to Everything Else and What It Means AlbertLaszlo Barabasi starts with the "network" of St Paul the Apostle and continues to distingush between the first mathematical models of random networks and more contemporary models that can be used for studying topics as diverse as biology to the internet.