
approach it with extreme caution. There's something not altogether right about it, you see.” His pleasant face had become very sombre, and the children knew he was in deadly earnest. “One amateur tried to solve it but he was so absorbed in his discovery that he stole the locomotive and went a long way away. Nothing has been seen of him since.”

Describe what you're looking for in as much detail as you'd like.
Our AI reads your request and finds the best matching books for you.
Popular searches:
Join 2 million readers and get unlimited free ebooks