Best-Selling Authors R.L. Stine, Lev Grossman, and Victor LaValle attend BOOKEXPO 2019 with BOOM! Studios May 22, 2019 Best-Selling Authors R.L. Stine, Lev Grossman, and Victor LaValle attend BOOKEXPO 2019 with BOOM! Studios 2019-05-22T12:21:53-07:00 - News Acclaimed Publisher Debuts New Booth & Exclusives in May 2019 LOS ANGELES, CA (May 22,… Share Tweet Plus+