Colin Kaepernick has announced the release of his first children's book, I Color Myself Different.

The former star NFL quarterback is now a children's book author after signing a multi-book publishing deal with Scholastic. Kaepernick took to Instagram yesterday to announce the news.

Sharing a picture of the cover, Kaepernick wrote: "I'm excited to share that I'll be publishing I COLOR MYSELF DIFFERENT, a children's book, with @KaepernickPublishing & @ScholasticInc on 4/5/22! #IColorMyselfDifferent is deeply personal to me & honors the courage & bravery of young people everywhere."

Kaepernick's first book of his multi-book publishing deal, I Color Myself Different, is a picture book inspired by a significant childhood memory of when Kaepernick first documented that he was different from his adopted white family, Kaepernick Publishing explains.

The picture book will be illustrated by Eric Wilkerson.

Speaking of the story, Kaepernick said it was "deeply personal" and "inspired by real events."

"This story is deeply personal to me, and inspired by real events in my life. I hope that it honors the courage and bravery of young people everywhere by encouraging them to live with authenticity and purpose," said Kaepernick, as per Kaepernick Publishing.

"I'm excited for Kaepernick Publishing to be collaborating with Scholastic on books with Black and Brown voices at the forefront. I hope that our books will inspire readers to walk through the world with confidence, strength, and truth in all they do."

Debra Dorfman, VP and Publisher, Scholastic Global Licensing, Brands & Media explained that they instantly "wanted to share his stories" because of the "impactful messages."

"Colin's reputation as a thought leader precedes him, but it was also clear when we met that his mission and purpose were very much aligned with Scholastic's," she said.

"We knew instantly that we wanted to share his stories, which will be impactful messages of identity and belonging for Black and Brown children."

The book is set to be released on April 5th, 2022.