Here are some books that have helped other parents deal with their children's transition to college:

Almost Grown: Launching Your Child from High School to College
By Patricia Paick
ISBN: 0393317102

Been There, Should've Done That II: More Tips for Making the Most of College
By Suzette Tyler
ISBN: 0965608611

Don't Tell Me What to Do, Just Sent Money: The Essential Parenting Guide to the College Years
By Helen E. Johnson and Christine Schelhas-Miller
ISBN: 0312263740

Empty Nest…Full Heart: The Journey from Home to College
By Andrea Van Steenhouse
ISBN: 0961980613

Give Them Wings
By Carol Kuyendall
ISBN: 1561796727

I'll Miss You Too: What Will Change, What Will Not and How We'll Stay Connected
By Margo Bane Woodacre
ISBN: 1402206410

Letting Go: A Parents' Guide to Understanding the College Years (Fourth Edition)
By Karen Levin Coburn
ISBN: 0060521260

The Empty Nest: When Children Leave Home
By Shelley Bovey
ISBN: 0044408986

The Happy Empty Nest: Rediscovering Love and Success after Your Kids Leave Home
By Linda Burghardt
ISBN: 0806524014

The Launching Years: Strategies for Parenting from Senior Year to College Life
By Laura Kastner
ISBN: 0609808060

When Your Kid Goes to College: A Parent's Survival Guide
By Carol Barkin
ISBN: 0380798409

You Can be the Happy Mom of an Empty Nest
By Darien Cooper
ISBN: 1560433337

You're On Your Own (But I'm Here if You Need Me): Mentoring Your Child During the College Years
By Marjorie Savage
ISBN: 074322912