Allison Rushby 
Big Wish [PDF ebook] 

Imagine if your baby sister could make wishes come true… It’s a big day. Flick is nervous about leading book club for the very first time. It doesn’t help that her little sister is super cranky and won’t stop wishing. Birdie is filling the pram with her favourite snacks and getting puppies to appear out of thin air. How can Flick do a good job at book club when Birdie makes a BIG wish in the library?