A new school year brings a new classmate to Griswald's Grammar School! But he's a bit strange, and he really, really likes onions. When the whole school suddenly becomes best friends with him, Shauna seems to be the only one left out. It's up to her to peel back the mystery, one onion layer at a time.

"Everyone's favorite pre-teen British detectives are back for another case! With toddlers disappearing and rumors of a large, beast-like creature roaming the woods, Tackleford is in serious danger. And then there's Mildred's new dog Archibald ... if you can even call it a dog. After all, what kind of dog drinks tea out of a cup? Everything comes to a head once the boys get a picture of the beast and Archibald goes missing. Is there a connection? And...

Shauna. Charlotte. Mildred. Three schoolgirl sleuths. Jack. Linton. Sonny. Three schoolboy investigators. Tackleford. One mid-sized city with a history of countless mysteries. Is there enough room at Griswalds Grammar School for two groups of kid detectives? There better be, because once these kids have set their sights on solving a mystery there's nothing that can derail them. Nothing, except maybe gossip, classwork, new football player cards, torment...

Time is a fickle creature, especially when there's wormhole in the science cupboard. When a strange boy who seems far too entranced by cell phones appears, it's up to Lottie, Shauna, and Mildred to figure out his strange purposes. The Case of the Forked Road, the seventh book in John Allison's award-winning Bad Machinery series, finds our young sleuths facing the intricacies of time and space itself. What is their science teacher hiding? Who is the...

The Tackleford gang is back with a new case that demands solving! When Tackleford's derelict barns begin going up in flames, Linton and Sonny are on the case with a moderately mysterious new friend. Paths cross, however, when Lottie and Mildred meet a terrifying yet misunderstood creature living beneath a bridge! Throw in an overly enthusiastic Fire Brigade, a transforming skate ramp, and a new French teacher and you've got the kind of charming genius...

The new year brings the all the joys and near-drownings of young love in the case of the fire inside, the latest volume of Bad Machinery! Sonny meets a mysterious new girl who seems to have climbed out of the sea itself, while Mildred falls for the bad boy of Saturday detention. But can either of them succeed in the face of jealous exes, overprotective fathers, and the persistent tide of Destiny? What is a "selkie"? Is a Morton's toe fatal? And can...

From the bestselling author of Giant Days comes the final pocket-sized volume in his beloved Bad Machinery series! The mystery-solving teens of Tackleford are finding out that not every summer is a perfect one. Charlotte and Shauna, once inseparable, are decidedly on the outs. Mildred bounces between the formerly best friends while trying to save up money for a car. Amy's rent at the antique store gets tripled, casting doubt on the future of her...

Tackleford's competing teen detectives investigate when toddlers begin disappearing as rumors that a large, beast-like creature is living in the woods abound.

"As summer draws to a close, a series of mysterious fires strike farm buildings across Tackleford, but the town's young investigators are in disarray. Lottie and Mildred are busy drawing terrible husbands for each other, Linton and Sonny have lost their lust for life ... and could all this have anything to do with Jack and Shauna staring into each other's eyes all the time? Disgraceful. There are more questions to answer, too ... who is Colm, and...