I agree with the used clothing from home. Not only do some kids not have them, some parents refuse to participate in their child's schooling like that. It is unfortunate, but a reality. Here are some great books I've bought to use with my daughter's Girl Scout troop.
http://www.amazon.com/Recycled-Craft...=2XWRMN2I88IK0
http://www.amazon.com/gp/product/047...A1C3QU77DDT2KW