Meg Mackintosh and The Mystery in the
embarks on a high-speed search for a valuable object inside a locked
“A quick entertaining read guaranteed to appeal to mystery
lovers and puzzle solvers.” —Booklist
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Did You Know?
Melvil Dewey is a member of the American
Library Association's Hall of
In 1876 he invented the Dewey Decimal
System to organize books on library shelves. The system
organize all knowledge into ten main categories.
000: Computers, information
& general works
300: Social sciences