This kit contains: "Earth Day" (seven paperback books) "The Berenstain Bears Don't Pollute Anymore;" "Tanya's Big Green Dream;" "The World That Jack Built;" "Welcome to the Green House;" and "The Earth Is Painted Green: A Garden of Poems about Our Planet," "Plastic Ahoy!: Investigating the Great Pacific Garbage Patch," and "Earth Day (2 copies) by National Geographic."