Blast off on the biggest micro-adventure yet with the popular Project X characters Max, Cat, Ant and Tiger and their new alien micro-friend, Nok. Carefully levelled and highly motivating, this book is ideal for independent reading. The micro-friends land on the spooky Planet of Bones. They set off to look for the king and queen of Exis (Noks parents) but come up against a skelox a creature made of bones! Ant is captured by the skelox and taken back to its cave. There, he finds a baby skelox trapped in an energy cage set by some of Badlaws Krools. Can the micro-friends release the skelox before the Krools catch up with them?This book also contains notes on the inside front and back covers that highlight challenge words, prompt questions and give a follow-up activity to support children in their reading and comprehension skills.