PARK CITY, Utah — A Utah woman who authorities say fatally poisoned her husband, then published a children’s book about coping with grief, will appear in court Wednesday for a hearing that will determine whether state prosecutors have enough evidence against her to proceed with a trial.

Kouri Richins, 33, faces several felony charges for allegedly killing her husband with a lethal dose of fentanyl in March 2022 at their home in a small mountain town near Park City. Prosecutors say she…