The Boy from the Night Sky - Graham Holliday

Graham Holliday is an English writer, mainly of middle-grade/YA fantasy adventure novels.

GENRE: Middle-grade/Young adult fantasy adventure

Blurb:

Jake discovers and visits a microscopic world created by his grandfather, and joins the battle to save it from extinction.

https://www.grahamholliday.com

https://www.amazon.co.uk/Boy-Night-Sky-Perex-Chronicles/dp/139995573X