RM
Robert McCloskey
John Robert McCloskey was an American writer and illustrator of children's books. He both wrote and illustrated eight picture books, and won two Caldecott Medals from the American Library Association for the year's best-illustrated picture book. Four of the eight books were set in Maine: Blueberries for Sal, One Morning in Maine, Time of Wonder, and Burt Dow, Deep-water Man. His best-known work is Make Way For Ducklings, set in Boston. In longer works, he both wrote and illustrated Homer Price, and he illustrated Keith Robertson's Henry Reed series.
Excerpt from Wikipedia, available under CC BY-SA 4.0.
Books

Time of wonder
1985
ISBN 9780670715121
Homer Price (Puffin Modern Classics)
2005
ISBN 9780142404157