AustLit

'When Sally's archenemy Dexter Maelstrom invites her to a demonstration of his new invention, she doesn't expect it to actually work. Dexter's De-Evolving Ray can turn chickens into dinosaurs! But when Dexter's chickensaurs breaks free and go on the hunt, Sally - along with her friend Charli and her baby brother Joe - must avoid becoming chicken feed. Is Dexter behind this dastardly plan - or is somebody else the bad egg?' (Publication summary)

'Sally is the world’s foremost inventor under the age of twelve, and she just knows she can build a better brother than the messy, smelly version she has. Sally’s invention – Brobot – is fantastic, that is until the remote gets broken and Brobot careens out of control. Sally realises that maybe there’s more to a brother than just his inconveniences.' (Publication summary)

'Sally Tinker – creator of Brobot and the world’s foremost inventor under the age of twelve – is back. Sally has built a machine capable of enlarging any object, but when she tries resizing a slice of pizza she accidentally enlarges a dung beetle to scary proportions. As the hungry beetle rolls itself a dung ball large enough to crush an entire town, Sally races to fix her new machine but not before Sally’s baby brother Joe makes himself enormous and saves the day. Unfortunately Joe can’t be shrunk down immediately, and he desperately needs a nappy change.' (Publication summary)