ben barbara lesko and her book "the neuroscientist who lost her mind." and "the addiction solution: triringt dependence on opioids and other drugs." former attorney ann marie ackerman, with her book the true story roff a german who died murdering robert e. lee. nd phil hatchett with his book "advocating overlord." watch coverage of the ninth annual gaithersburg book festival in maryland saturday at 10:00 a.m. eastern on c-span2's book tv. >> following the school shooting in santa fe, texas, governor abbott spoke to reporters about the investigation and response. he was joined by senator cruz, lieutenant governor dan patrick and state and county officials.