Mildred A. Wirt

A very well recieved series by Mildred A. Wirt are the books, featuring tropes. The most popular books are The Secret Pact, Swamp Island, Signal in the Dark, The Secret of the Sundial, The Wishing Well, Whispering Walls, Hoofbeats on the Turnpike, The Deserted Yacht, Dan Carter and the Haunted Castle, Dan Carter and the Great Carved Face, Saboteurs on the River, Dan Carter and the Cub Honor, Dan Carter-- Cub Scout, Dan Carter, Cub Scout, and the River Camp, Dan Carter and the Money Box, The Girl Detective Megapack: 25 Classic Mystery Novels for Girls, which was published in 2022.