(3) 4-6 Jack and the Geniuses series. Illustrated by Nick Iluzada. Jack; his genius foster siblings, Ava and Matt; and their mentor, Hank, head to Hawaii on their second adventure (At the Bottom of the World). They're helping a technology billionaire and an engineer uncover the saboteur of their revolutionary electricity project to harvest green energy from the ocean. Scientific information, humor, and suspense combine in a readable mystery accompanied throughout by monochromatic red illustrations.

Reviewer: Rita Soltan

(3) 4-6 Jack and the Geniuses series. Illustrated by Nick Iluzada. Billionaire scientist Hank Witherspoon recruits three foster siblings (two with off-the-chart IQs and one with street smarts) to help him with his experiments and inventions. When the team heads to the McMurdo Station research center in Antarctica to investigate a scientist's claims of an important discovery, they find that she has disappeared. A fast-paced mystery ensues, with scientific information woven into the plot.

Reviewer: Betty Carter