"It's kind of like an autobiography of my life, I guess, from when I was two years old learning to skate, falling down and getting back up," Hartnell said. "It's a rhyming book for kids and I'm really happy about it. The feedback so far has been super positive and people are buying it, which is great.
"It was such a fun process, to be honest. My sister did a lot of the work, finding the words to rhyme and keeping the flow going. It turned out to be a great process."