Theme: Hi-lo, nonfiction, clones Learn about the history, potential, and dangers of cloning, from the first cloned salamander to Dolly the sheep and beyond. 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.