Readers can help the great detective Batman and his sidekicks solve riddles, analyze evidence, look for clues, and spot solutions to mysteries before he logs them into his casebook.

Nancy Drew is seventeen and good at everything...ESPECIALLY solving crimes. But her totally-in-control-and-obviously-running-perfectly-smooth-(but-not-really) life hits a snag when a mysterious message drags her back to the hometown she left behind. There she'll have to find out which of her friends are still her friends, which are enemies, and who exactly is trying to kill her...and (hopefully) stop them before they succeed. --from Amazon.

"Haven't you always thought there's something WEIRD about this town, Miro?" Miro and Zia live in Aurora, a fishing town nestled in the shadow of an ancient castle. Miro lives in his books; Zia is never without her camera. The day they meet, they uncover a secret. The fishing works, the castle, and the town council are all linked to an ill-fated 1930s Antarctic expedition. But the diary of that journey has been hidden, and the sea is stirring up unusual...

"Something fishy is going on at the South Shore. Folks just disappear and are never seen again. But when Agent Moose learns that a key witness has gone missing, he and Owlfred ride to the rescue. Will they find the missing turtle before time runs out?"--Provided by publisher.