In one of his most daring exploits, Jack goes down under -- literally -- to inve
stigate the disappearance of a diver off the Great Barrier Reef of Australia. Us
ing everything in his backpack arsenal from anti-puke pills to a morphing suit,
an egg-shaped submarine to Disappearing Milk, he exposes a deadly nest of pirate
s raiding a shipwreck site. Jack has to thwart their schemes, evade their attemp
ts on his life, and escape the primordial hunger of three deadly species: a Komo
do dragon, a set of sharks, and the most poisonous predators in the reef, the Ir
ukandji jellyfish.
Can he save the treasure and the diver, not to mention himsel
f? Canny and resourceful, Jack will delight readers and impress their parents.
