This series covers a range of nonfiction topics that interest younger and older students — from cats to comic book characters. Each book includes full-color photographs and illustrations, and appropriate text for one of four graduated reading levels. There are over 20 books in each level. Titles include:

Level 1 (Beginning to read) Rockets and Spaceships, A Day in the Life of a Dancer, Whatever the Weather

Level 2 (Beginning to read alone) Firefighter!, Bugs! Bugs! Bugs!, The Story of Pocahontas

Level 3 (Reading alone) Anne Frank, Extreme Sports, Shark Attack!

Level 4 (Proficient readers) Horses, Creating the X-Men, Volcanoes, NFL: Rumbling Running Backs