From the bestselling author of Giant Days comes the latest pocket-sized volume in his beloved Bad Machinery series! It's that classic feud: mods versus rockers!

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

"A delightfully quirky series whose eccentric charms haven't faltered." - KIRKUS From the bestselling author of Giant Days comes the latest pocket-sized volume