ST. Tisha Campbell’s New Book The A Word Recounts Son Xen’s Autism Journey — See the Cover (Exclusive)

“If our story puts even one family on the right path sooner, then every word was worth it,” Campbell says of the upcoming memoir

In a new book, Tisha Campbell is bringing forth an important story that’s close to her heart.

On Feb. 23, the My Wife and Kids actress announced that she will publish a new memoir, The A Word: A Mother’s Journey Through Autism and Love, this fall through HarperCollins imprint Amistad.

The book, per its official synopsis, explores “the triumphs and challenges” Campbell has experienced while raising her son, Xen, who was diagnosed with autism at 18 months.

In The A Word, Campbell recounts first learning about Xen’s diagnosis, along with their journey navigating daily realities, like therapy and facing “social misconceptions.” The book also celebrates Xen’s “extraordinary individuality,” resulting in a story about motherhood and love, written with Campbell’s signature humor and heart.

“Tisha Campbell’s memoir is a masterclass in vulnerability, humor and the unyielding power of love,” says Abby West, Amistad Vice President and Editorial Director, in a statement shared with PEOPLE. “[The book is] a must-read for anyone navigating the complexities of parenthood or seeking inspiration in the face of life’s challenges.”

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Campbell has long been a vocal advocate for autism awareness. In 2013, she co-produced the documentary short Colored My Mind, which examines how autism is overlooked in Black and Hispanic communities.

“Most people know me as ‘the funny one,’ and it’s true. The memories I shared in this book have moments of comedic levity — I mean, come on, guys … It’s me!” Campbell explains to PEOPLE. “However, for the very first time in my life, I’ve stepped out from behind the smiling mask I wear to show my vulnerabilities and my tenacity, while holding onto hope in the face of so much adversity.”

Campbell continues that the book is a “love letter” to children on the spectrum, along with their parents and caretakers.

“Every battle I fought, every door I kicked down, every night I cried, but refused to surrender was for one reason: my son, Xen,” Campbell says. “If our story puts even one family on the right path sooner, then every word was worth it. This book is my heart, my fight and my testimony — because my son didn’t just need a mother. He needed a warrior, and Xen made me both.”

The A Word: A Mother’s Journey Through Autism and Love will be published on Sept. 15 and is now available for preorder, wherever books are sold.