Dr. Bill Arnold and I have been colleagues and friends for a long time now, teaching together at both Ashland Theological Seminary, and then we both came to Asbury Theological Seminary at the same time in 1995. Bill is what the Britsh would call a top drawer OT scholar, and the proof of this is in this intriguing and very readable new Genesis commentary which reflects the careful hand of a mature scholar. Bill and I are the editors of the New Cambridge Bible Commentary series which now has a goodly number of both helpful OT and NT volumes. This is a series you will find affordable and stimulating, seeking to apply various new methodologies to the Biblical text. It is not the same ole same ole. Here below is the dustjacket blurb for this particular volume on Genesis.

“This commentary is an innovative interpretation of one of the most profound texts of world literature: the book of Genesis. The first book of the Bible has been studied, debated, and expounded as much as any text in history, yet because it addresses the weightiest questions of life and faith, it continues to demand our attention. The author of this new commentary combines older critical approaches with the latest rhetorical methodologies to yield fresh interpretations accessible to scholars, clergy, teachers, seminarians, and interested laypeople. It explains important concepts and terms as expressed in the Hebrew original so that both people who know Hebrew and those who do not will be able to follow the discussion. “Closer Look” sections examine Genesis in the context of cultures of the ancient Near East. “Bridging the Horizons” sections enables the reader to see the enduring relevance of the book in the twenty-first century.”

And here are a couple of links which you can cut and paste into your browser and then go and purchase this volume. I highly recommend it! This is one of the most interesting Genesis commentaries I have ever read, and I have read a bunch of them.
BW3

http://www.cambridge.org/us/catalogue/catalogue.asp?isbn=9780521000673

http://www.amazon.com/Genesis-New-Cambridge-Bible-Commentary/dp/052100067X/ref=sr_1_11?ie=UTF8&s=books&qid=1223151188&sr=1-11