Big Tractor by Nathan Clement; illustrated by the author; Boyds Mills Press/Highlights, 2015.  32 pages; $16.95 (hardcover); reading level: ages 3-7. Reminiscent of the human-machine relationship in the 1943 classic Katy and the Big Snow, the farmer in this picture book talks his tractor-friend through the seasons:  he wakes “Ol’ Partner” for spring planting, urges… [Read More]