Whether it’s asking for a promotion or confronting the school bully, writer Luvvie Ajayi Jones has become an expert on overcoming fears and speaking up. Jones’ books urge everyone to become what she calls a “Troublemaker,” or someone who pushes for positive change.

From jumping out of airplanes to zip-lining through the jungle, Luvvie Ajayi Jones has become an expert at challenging fear — but not all of her daring adventures involve leaving the ground. She tells us about her new book, “Professional Troublemaker: The Fear-Fighter Manual.”

A Chicago author’s new book lays out the case that we can all do better.