For an excellent place to find helpful and clear summaries on many Christian books, both older and more recent, check out Christian Book Summaries. I have benefited from it personally and would recommend it for anyone serious about deepening their faith in both head and heart.

For informative previews of new Christian book releases see:

Having trouble finding a book? Maybe one of these sites can help.

Out of Print Sites:

• Abooksearch.com — http://www.abooksearch.com
• Alibris — http://www.alibris.com
• Amazon zShops — http://www.amazon.com/zshops
• Anybook International — http://www.anybook.com — 916-313-3405
• Baker Book House — http://www.bakerbooks.com
• BestBookDeal.com — http://www.bestbookdeal.com
• Book Look — 800-223-0540
• Book Search — http://www.booksearch.com — 651-292-1842
• Christian Book Distributors — http://www.christianbook.com
• East Bay Book Co. — http://www.eastbaybooks.com — 800-899-5544
• Half.com — http://www.half.ebay.com
• Hay-on-Wye — http://www.booktown.co.uk
• InterVarsity Press — http://www.gospelcom.net/ivpress/bookclub
• Kregel Used Books — usedbooks@kregel.com — 616-459-9444
• Rare Christian Books — http://www.abebooks.com/home/RARECHRISTIANBOOK — 573-336-7316
• Steel's Used Christian Books — http://www.abebooks.com/home/STEELSBOOKS/ — 816-300-2665 — info@steelsbooks.com
• Used Book Central — http://www.usedbookcentral.com