Hermit's Cave, or Theodore and Jack

The Hermit's Cave or, Theodore and Jack is a classic children's book written by Eleanora H. Stooke and illustrated by Richard Tod. The story follows two young boys, Theodore and Jack, as they discover a hidden cave and befriend a mysterious hermit who lives there. As they explore the cave and its secrets, the boys learn valuable lessons about friendship, courage, and kindness. (Goodreads)