The Disappearing Floor (Hardy Boys, #19)
Format: hardcover
ISBN:
9781557092878 (1557092877)
Publish date: December 1st 2006
Publisher: Applewood Books
Pages no: 228
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.