children's author, and Senior Curator, Department of Mammalogy, Division of Vertebrate Zoology Professor Emeritus, Richard Gilder Graduate School, American on a rewilding adventure that opens eyes and hearts. over ten thousand years to a modern-day stallion named Cello who leads us to explore the science of rewilding planet Earth. The reading level (lexile) of Cello Comes Home is age 11 - 14 (grade 4 - 6) but parents reading these books to children aged 3 - 7 (K - 2) can strengthen literacy and vocabulary significantly in their young minds. This is due to the power of rhyme as a literacy builder.