Published by Hardie Grant Australia, the book is a 'dazzling, whip-smart mystery series about two very different girls and a whole heap of danger'.
Donough's design features the main characters Hannah Plum and Patti Woo at the centre of the cover, in spy mode, ready to solve the next mystery, which in this story involves a stolen pink wedding dress, secret signals, diving relics and long-lost pink pearls - perfect for the 9+ age group with highly relatable tween angst!