By Peter Brown Little, Brown Books for Young Readers: 48 pages, $20 If you buy books linked on our site, The Times may earn a commission from Bookshop.org, whose fees support independent bookstores.

Brown released the first book in 2016 through Little, Brown Books for Young Readers, followed by its sequels, 2018’s The Wild Robot Escapes and 2023’s The Wild Robot Protects.

Peter Brown was in Manhattan’s meatpacking district in 2002 when he noticed a few hardy branches dangling from a dingy overpass near Gansevoort Street. “I thought, That’s strange,” Brown said.