The Disappearing Floor (Hardy Boys, Book 19)
Format: Paperback
ISBN:
9780006924920 (0006924921)
ASIN: 6924921
Pages no: 160
Edition language: English
Series: The Hardy Boys 7 (#19)
I think the Hardy Boy books helped me with learning deductive and inductive skills. I had to work through logic. Who knew? I enjoyed all these books.