Froggy of Denali Molly and Tooey find a frog, and Molly decides to keep it as a pet... until she realizes that frogs are more high maintenance than she thought. Molly Mabray and the Mystery Stones Molly and Tooey have been learning about petroglyphs, ancient stone-carvings, and can't wait to see them in real life on their trip to Sitka. But when they arrive at the beach supposedly covered in petroglyphs, all they see is water. Will they solve the mystery in time to see the petroglyphs?