by John Muir (Author), Joseph Cornell (Author), Elizabeth Ann Kelley (Illustrator), Christopher Canyon (Illustrator) John Muir’s remarkable adventures and attunement with nature are told in his own words, edited for a young audience. His joyous enthusiasm for nature comes through powerfully. The book includes “explore more” activities. Grade Level : 5 – 10 Reading level : 10 – 16 years ISBN-10 : 9781584690092 ISBN-13 : 978-1584690092