Suzi Macdonald: 2 books

Taggie Tweedle is nine years old, and loves to help her mother, Emmie, make the potions they sell in their shop. When she is nine years old, Taggie meets a new friend and, through her, discovers that Emmie has a secret past. But an old adversary has returned to the village with a score to settle... and magic is involved.

Cameron Grey is a thirteen-year-old girl whose best friends are the ghost of a witch who has lost her powers, and a cowardly monster who lives under her bed. When her parents suddenly disappear and a strange 'aunt' appears in their home, Cameron and her wolf brother Conal decide to find...