Theme: Hi-lo, nonfiction, sea monsters Stories about monsters lurking in our lakes and oceans have been around for thousands of years, but are they true, or can these beasts be scientifically explained? Engage your most struggling readers in grades 4-7 with Red Rhino Nonfiction! This new series features high-interest topics in every content area. Visually appealing full-color photographs and illustrations, fun facts, and short chapters keep emerging readers focused. Written at a 1.5-1.9 readability level, these books include pre-reading comprehension questions and a 20-word glossary for comprehension support.