"After cracking Einstein's code and uncovering what Darwin discovered in the Amazon, Charlie is back at it. The great Cleopatra has left behind the greatest source of all her power written on a stone tablet. It's up to Charlie to figure out where it leads and what it is before the next undiscovered treasure falls into the wrong hands"--
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Details
ISBN:9781534499355
Physical Description:391 pages ; 20 cm.
Edition:First Simon & Schuster Books for Young Readers paperback edition.
Publisher:New York :Simon & Schuster Books for Young Readers,2023.