"Mason and Ty were once the very best of friends, like two nerdy sides of the same coin...until seventh grade, when Ava Petrakis came along. Now Mason can trace everything bad in his life to that terrible fight they had over the new girl. The one thing he'd give anything for is a do-over. But that can't happen in real life--can it? As a science kid, Mason knows do-overs are impossible, so he can't believe it when he wakes up from a freak accident...

"After fourteen-year-old Lacey Chu repairs a highly advanced smartphone/robotic pet companion, or baku, called Jinx, the baku gets her into her dream school, Profectus, where she is exposed to dangerous secrets"--WorldCat.

"Travel through time with Luis, Casey, Tyler, and robot cat Steel Using Tesla\'s Time Twister, the friends hope to save Uncle Cyrus, who's trapped in time. They travel back in time to a haunted house. With robbers and ghosts on the loose, can they find the truth and find their way back home?"--

"Travel through time with Luis, Casey, Tyler, and robot cat Steel!. Using Tesla's time twister, the friends travel into the future and under the sea! Adventure in a city below the waves awaits. Yet with sea monsters on the attack, can they finally get Uncle Cyrus unstuck in time?"--

Hoping to become famous, sixth-graders Josh and Lloyd write a blog inviting extraterrestrials to Earth, but soon realize they have made a very big mistake.

"George is thrilled to score his dream internship at Tinker Tech. But he and his best pal, Jackbot, realize that something does not compute when a dangerous new invention threatens Terabyte Heights. As he and his friends search for answers, they uncover secrets about George's past that may change his life forever"--

Vee Bell, able to slide into other people's minds, sees someone standing over the body of her sister's best friend, Sophie, holding a bloody knife. But she is afraid that anyone she tells will think her crazy and so she must find a way to identify the killer herself, before he or she strikes again.

The first mistake twelve-year-old Tulah made was allowing her best friend, Nikki, to dare her into auditioning for the school musical, the second mistake she made was eating the Friday mystery lunch in the school cafeteria; now she finds herself turning into a zombie, with a craving for raw meat, and a body that feels stiff and awkward--but she still has to go through the audition on Thursday, and stage fright will be the least of her problems.