Each order includes 12 copies of Trees Help by Angela Rios. These are official textbooks to help teachers guide children in reading. - GR I - Benchmark 16 - Lexile 3780 - Grade 1 - Genre Social Studies--- ---- ----- Note that pictures show different titles and this listing is for one title only. Pictures of the inside are examples of teaching structure each book has. Picture might not be the exact inside of the title listed. They all have different lesson plans, questions, skill builders. ----