"Charlie and August, the two cats that control the mechanical superhero dog, Sparks, are keeping the city safe. But when a second, evil Sparks shows up and starts causing trouble around town, everybody blames the real Sparks. Determined to prove that Sparks is still the hero everyone can count on, Charlie and August set out to uncover the shocking truth about who is responsible for all the chaos" -- Book jacket flap.

Traveling to France during the reign of Louis XIII, Geronimo and his friends enlist in the "mouseketeers" only to discover that the mouse on the throne is an impostor and together they must find the real Louis.

"Christopher Chance has made a living out of being a human target-a man hired to disguise himself as his client to invite would-be assassins to attempt his murder. He's had a remarkable career until his latest case protecting Lex Luthor when things go sideways. An assassination attempt Chance didn't see coming leaves him vulnerable and left trying to solve his own murder, as he has 12 days to discover just who in the DC Universe hated Luthor enough...