Sawdust in his locker and weird music on his MP3 player—someone is messing with Grady Hopkins. Determined to put an end to the pranks, Grady enlists friends Marco and Ava to help him decode anagrams left by the culprit. Will he solve the mystery before the trickster strikes again?
When Ava Rhodes’s brand new tablet computer goes missing, she’s desperate to solve the mystery. Can her fellow coding club members Marco and Grady and some quick coding help her? Or is everyone a suspect?
When his little brother loses the class hamster, Marco Martinez comes to the rescue with a robot and some coding tricks. But will a robot rescue mission be enough to catch this speedy rodent?
When weird noises in the school’s media center have students spooked, Marco Martinez is on the case. Marco writes up a code to alert him of any ghost-like activity. But does he have more than ghosts to be afraid of?
After a hacker breaches the school’s grading system and gives students failing grades, Grady Hopkins wants to set the record straight. Along with coders Ava and Marco, Grady follows a trail of IP addresses as he searches for the perpetrator. Will they find the truth before everyone flunks sixth grade?
When a mysterious lunch thief leaves behind a card with a website address, Ava Rhodes can’t help but check it out. After the site leads her to a really boring online video game, she’s even more determined. Can GPS tracking help Ava and her friends find the thief? Or will more lunches go missing?
Bossy Blue is a crayon with a problem.He doesn't like grey and he wants to colour all the grey things blue including grey elephant. And now the elephant has a problem and while Bossy finds it a huge joke, the other crayons must set about returning the elephant to its right colour.