There are a lot of resources on the Web for families of children with brain tumors. Excellent branch off points can be found from the following sources:
Al Musella's List of Clinical Trials and Noteworthy Treatments for Brain Tumors is complete and done with devotion.
OncoLink of the University of Pennsylvania has an excellent page on pediatric brain tumors, including information for both physicians and families.
American Brain Tumor Association Site for the children themselves.
www.visitingOurs.com is a wonderful, unique, and easy to use website for keeping families up to date about a loved one's illness.