Dona Herweck Rice 
Up and Down [PDF ebook] 

What goes up must come down! Learn about up vs. down with this fun book. Ideal for 1st grade students, this book teaches these 8 words from Fry’s First 100 words list: up, down, is, it, had, been, now, and but. The clear images, rebus pictures and simple, repetitive sentences build grade 1 reading comprehension in a format that is appealing to children. Beginning readers will learn the essential sight words and gain confidence as they learn to read independently.