Description

The intense climax to Scholastic's super-marketing series.Throughout the search for the 39 Hints, Amy and Dan Cahill have discovered their household's deadliest strategies and history's biggest mysteries. But are they prepared to face the reality concerning the important thing and the Cahills for their unparalleled energy? Following a whirlwind competition that is taken them across five locations, Amy and John encounter the absolute most the difficult challenge yet- an activity no Cahill dared to assume. May two children succeed where 500 years-worth of well-known forebears failed, when confronted with an option that may alter the continuing future of the planet?