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.