The Story follows Nimbus and Segal through coastal fog, sea breezes, mountain winds, valleys, rivers, and forests as Nimbus searches for the atmospheric river that carried her across the Pacific.

The Illustration Plates conclude each chapter, adding another perspective to the story while leaving room for the reader's own imagination.

The Curiosity Pages expand understanding of the vocabulary, weather, wildlife, and landscapes introduced throughout each chapter.

Cover of a book titled 'The Nimbus Cloudbook: Open Sky' featuring a blue sky with a large fluffy cloud, the sun setting over a body of water, and scattered thin clouds.
A mountain valley with smoke rising from a fire in the distance, surrounded by mountain ranges covered in trees and shrubs.

Read

Observe

A sky-themed informational card titled 'Things from the Sky' with sections describing 'Atmospheric River' and 'Fog', featuring a watercolor background of clouds and sky.

Discover

Book Details
The Nimbus Cloudbook: Open Sky
K. L. Wilks
Published by Open Sky Tales
ISBN 9798996030002
Ages 8–12
Published June 15, 2026

Logo with a cloudy sky background and the text 'Open Sky Tales', slogan 'Curiosity over Certainty', and website 'OpenSkyTales.com'.