In 2023, as Texas lawmakers debated Senate Bill 13—a controversial bill aimed at restricting certain books in public school libraries and expanding parental oversight—Steve Wandler was among the dozen-plus parents, educators, and advocates who testified before the legislature. Wandler wasn’t just another concerned citizen. He was a Canadian entrepreneur who had relocated to Texas the year before to found Bookmarked, a fledgling startup that promises to help school districts manage their library...