All Aboard is the first in a series called Stories from the Engine Shed, written by Peter Gould and illustrated by well-known local artist Donna Franklin.
Gould, of Bassendean, is a volunteer driver with Bennett Brook Railway in Whiteman Park.
His first storybook is on track to arrive at the central station in the park on Ashley Day, Sunday, May 24.
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READ NOWAll Aboard introduces Ashley, the steam engine hero of the stories, and his railway mates.
The face of Ashley in the book was inspired by Gould's three-year-old grandson Joel.
"What makes All Aboard special is that its hero, the other characters and the setting, are all real," he said.
Children visiting Whiteman Park with their families can take a ride behind Ashley or one of the other engines.
Gould said the City of Swan supported publication of the book through a Swan Community Grant.
Ashley fans can look forward to many future stories in the series including Ashley and the Pot of Gold at the end of the Rainbow.
Other attractions to look out for on Ashley Day include bouncy castles, farm animals and bus rides.
Discount tickets are on sale before 6pm on May 23 at trybooking.com and full price tickets are available on the day.