Notable resources available on the web:
For Alzheimer caregivers, but relevant to grandparents raising grandchildren
Online book: Q&A format relating to education
Online book: Q&A format. Child health. Includes info on $ benefits.
For parents (grandparents) raising children who have experienced trauma
Spanish 2-page guide to understanding trauma in children
Focused on 1-3 year olds. Covers lots of issues from emotional problems to toilet training; social and emotional development. Addressed to parents, but easily accessible by grandparents.
Purely fun. Free audio stories for children. Examples: Wizard of Oz, fairy tales, poems. Can be downloaded or listened to online.