Three Chicago students, Melissa, Wilf, and Bondi, are unlikely participants in a competition for a ten thousand-dollar scholarship, unaware that there is much more at stake.

"Lark and Connor are judges for the annual baking contest at the community center. When they arrive, they discover that someone has destoyed a contestant's entry. And not just any contestant's--Sophie's! Sophie is Lark's best friend (she just doesn't know it yet). The twin sleuths can't simply roll with it. To save the contest, they'll have to take a risk and start investigating the other contestants. With the timer ticking, Lark and Connor have to...

"The Cloudkiss Killer is dead. Now a true-crime podcast is hosting a contest to find his bones. Lucy was almost the serial killer's final victim. Carolina is a true-crime fan who fears her own rage. Maggie is a psychology student with a little too much to hide. But there are more than bones hiding in the shadows... sometimes the darkness inside is more frightening than anything the dead leave behind."-- "Enter Cloudkiss Canyon at your own risk. Sadie...

"At the International TWISTI competition, finalists from around the world have gathered to match wits at a remote lake camp in Canada. One night the lead player, Reza Amari, tells a spooky story about a monster and a man who disappears, leaving behind only a set of shrinking footprints. All the campers love the creepy story. They're still talking about it the next morning--until they find out that Reza has vanished! Now it's up to Lola Evans and Mateo...

Ava and Gabby can't wait for Klue Kingdom's annual Taekwondo Tournament at the palace. To celebrate, Ava bakes their sensei her special chocolate chip cookies. But everything goes wrong when Sensei Suki gets sick! Was the cookie dough tainted? Or is someone trying to sabotage the tournament? Readers in grades 1-4 will help the girls put on their thinking crowns to solve this mystery! Can they clear Ava's name and cure Sensei Suki before the tournament...