AustLit

'Cooper is not the beautiful, golden guinea pig of Jinny's dreams. He's trouble! Not only can he speak and read, he can disappear, hover in the air and teleport small distances. He's obsessed with junk food and full of tall tales, but worse still, Cooper is convinced that Jinny's kindly, elderly teacher, Miss Bunney is a witch. Come on, Cooper, really?'

Source: Publisher's blurb.

'Warning! This story contains magic, witches, talking animals (well, at least one), salt circles and a lot of badaacting. For Jinny, it's not easy owning Cooper, her annoying talking, disappearing guinea pig with a love of biscuits and a talent for sniffing out trouble. Especially trouble of the witch kind! Is the woman burying strange things outside Jinny's house another witch? And why can't Jinny bring herself to be friends with goody-two-shoes Kaite, the new girl next door? What do you think, Cooper? ...Cooper?! ' (Publication summary)

'When Jinny and her brother, Tyrone, find a ring in Miss Morgan's attic, they have no idea about the terrible danger they're in. Tyrone awakens a genie, and once he's made one sneaky little wish, he can't stop!

'Can Jinny and Cooper save Tyrone before the genie's curse traps him forever? And can Cooper resist using the ring to wish for a cake as big as a house?

'Don't do it, Cooper!' (Publication summary)

'A holiday at the Majestic Beach Hotel sounds like fun to Jinny, until Cooper turns up and causes trouble. But the hotel has bigger problems - who is stealing the hotel soaps and what is the mysterious hotel owner hiding?

'When Jinny and Cooper discover the truth, they find they're in more trouble than ever before. Has Cooper finally bitten off more than he can chew?

'Cooper ... is that you?' (Publication summary)