Here are the books I have read and I LIKED: There are many more but I haven't gotten to them all yet!!
"Saying No to Vaccines: A Resource Guise for all Ages" by Dr. Sherri Tenpenny
"Vaccines: Are they really safe and effective?" by Neil Z. Miller
"Raising a Vaccine Free Child" by Wendy Lydell
"The Sanctity of Human Blood" by Dr. Tim O'Shea
"What your Doctor May not Tell you about childhood vaccines" by Dr. Stephanie Cave (this is a good beginner book if you are new to the whole issue)
"Vaccine Guide: Risks and Benefits for Children and Adults" by Dr. Randall Neustadter.
"Evidence of Harm" by David Kirby
"A Shot in the Dark : Why the P in the Dpt Vaccination May Be Hazardous to Your Child's Health" by Dr. Harris L. Coulter & Barbara Loe Fisher
"Vaccinations 100 Years of Orthodox Research" by Dr. Viera Scheibner
"Immunization" by Walene James
"How to Raise a Healthy Child : In Spite of Your Doctor" by Dr. Robert S. Mendelsohn (not specifically about vaccines but a great book and it does cover them a bit)