New
NEW · BOOK 01AGES 6–8
SUM-IX and the Mystery of Pilot Zero
Brain games and challenging puzzles: logic, math and secret-code activities wrapped in one big space mission. Learning without pressure. Fun with purpose.
108 pages · 10 missions · 70 challenges · No screens needed
Letters & wordsWord searches, crosswords, rhymes and missing letters.With Lexi →
ObservationSpot the difference, hidden objects and matching.With Ollix →
Mazes & exploringMazes, maps, directions and secret paths.With Astro →
Numbers & logicDot-to-dot, counting, sequences and simple sums.With SUM-IX →
Colour & creativityColouring, copy-the-drawing, grids and free drawing.With Arti →
Find the perfect book
Inside the book: 10 missions to master the ship
Every page is part of a mission. Your child wakes the ship, survives an asteroid storm, decodes an alien message and earns the title of Master Pilot, with seven challenges in every mission.
- 1MISSION 1Wake the Ship
- 2MISSION 2Asteroid Storm
- 3MISSION 3Power Meltdown
- 4MISSION 4Pilot Training
- 5MISSION 5Security Breach
- 6MISSION 6Alien Message
- 7MISSION 7Chaos Mode
- 8MISSION 8Cosmic Journey
- 9MISSION 9The Final Code
- 10MISSION 10Master Pilot Trial
Featured this week
A closer look at the academy, and why parents love it.
FOR PARENTS
Learning without pressure
Not a school workbook, and not empty entertainment. Each challenge builds attention, reasoning, language and confidence while your child simply has fun.
Why it works
THE ACADEMY
Where the weirder you are, the better
Five doors, five gifts, five unlikely friends. At Crazy Space Academy it doesn't matter where you come from, only who you are.
Meet the studentsDiscover more
Free printable missionsTry a SUM-IX mission at home before the book arrives.Download →
Pilot CertificateFinished the book? Print a personalised Master Pilot certificate.Get yours →
Meet the fiveFive worlds, five skills, five unlikely friends. Who are you most like?Meet them →
Wacky Worlds on videoAnimated stories and read-alongs are on their way.Coming soon →
Join the Pilot Club
Free printable missions, a personalised Pilot Certificate and first news about new books. For grown-ups only. One email a month, no spam.
Welcome to Wacky Worlds Books, home of Crazy Space Academy: activity books and stories for curious kids, starring five unlikely friends from five different worlds. Lexi reads, Ollix observes, Astro explores, SUM-IX counts and Arti creates. Five areas, five books, five characters, and one rule: the weirder, the more interesting.