The adventures of the four Alden children as they investigate a mystery that took place in the yellow house on Surprise Island many years before.

In the first book of AGENTS OF S.U.I.T., the new volume in John Green’s smash-hit INVESTIGATORS world, eager rookie agent Cilantro stepped into the spotlight―and rocketed into space! Now it’s time for the B-Team to show why they’re so un-B-lievably B-loved. That’s right, Bongo and Marsha, the super-spy Badgers, are on the case…and way over-budget. When S.U.I.T. realizes just how much money the Badgers waste with their gadgets and spy...

Ace Detective Captain Coconut, who proclaims he can solve any mystery large or small, is called in to investigate the case of the missing bananas. He soon finds himself on a slippery trail of peels and missing numbers.

There's something lurking beneath the surface of Stately Academy - literally. In a secret underground classroom, Hopper, Eni, and Josh discover that the campus was once home to the Bee School, an institute where teachers, students, and robots worked together to unravel the mysteries of coding. Hopper and her friends are eager to follow in this tradition and become top-rate coders. But why are Principal Dean and the rugby team suddenly so interested...