1. The Way of God - Moshe Chaim Luzzatto - Very Logical
2. The Aryeh Kaplan Anthology I - Aryeh Kaplan - Especially the part on the 14 Principles of Faith
3. Those who forget the Past - Edited by Ron Rosenbaum - Excellent Essays on Anti-Semitism
4. Jewish People, Jewish Thought - Robert M. Seltzer - An excellent guide to Jewish intellectual thought
5. World Perfect - Ken Spiro - Outlines the Jewish intellectual contriburtion. A tad simplistic but worth a read.
6. Immortality, Resurrection, and the Age of the Universe - Aryeh Kaplan - More of Kaplan at his best.
7. The Jewish Approach to God - Rabbi Neil Gillman - Concise and easy to understand.
8. God is a Verb - David A. Cooper - Although Cooper is a tad PC his take on the Kabbalah is insightful.
9. The Holocaust Chronicle - Publications International Ltd - As mentioned before a wonderful reference work.
10. A History of Zionism - Walter Laquer - A must for every student of Jewish nationalism