Textbook for AP Computer Science?

Test Preparation AP Mathematics & Computer Science
3

<p>I used Java Concepts. [Big</a> Java / Java Concepts](<a href=“http://horstmann.com/bigjava.html]Big”>http://horstmann.com/bigjava.html)
I used another book as well, but I can’t remember the title. I’ll try and find out what that was.</p>