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Aku leaps through a glowing forest on Ibra in his space helmet and yellow backpack, with Bizzy, a small spotted alien, beside him.

where it all begins

Aku: Journey
to Ibra

His grandfather vanished a year ago. The beeping helmet in the basement knows where he went.

  • Book 1
  • Instant New York Times bestseller
  • Ages 8 to 12
  1. Arthur Keaton Underwood. A.K.U. for short. Lawrence, Indiana. Inventor. Daydreamer. Afraid of his own basement.
  2. A taped-up box, addressed in heavy letters: TO: AKU / OPEN IMMEDIATELY.
  3. “Hello, Arthur.” It knows his name. It scans his eyes. It asks if he accepts the mission.
  4. One minute on Earth. Thirty on another planet.
A forest on Ibra at night, with glowing blue grass and mushrooms under tall trees.

A forest that glows in the dark.

Ibra glows. The grass is blue, there are two moons overhead, and the trees are taller than buildings.

Lately, though, the Lunaberries have been disappearing, and the forest is starting to go dark.

Illustration of Nash Altair, an astronaut in a white suit.

The astronaut on Aku’s bedroom wall.

Nash Altair is a space hero, and he made Tribute Star, the video game Aku and his friends can’t seem to beat. Aku has his poster up. He wants to be him.

The creator is the proof.

Micah Johnson played in the Major Leagues, painted the cover of TIME, and builds 20-foot sculptures of a kid in a space helmet. Aku began when he overheard a young boy ask, “Can astronauts be Black?”

Meet Micah
Micah Johnson signs books at a table while a group of children watch.

Finished it?

There’s a reading game set on Ibra.

Play the Reading Game

To: you
Open immediately

224 pages of bioluminescent trouble, for readers 8 to 12.