Pacific Standard, launched by Reese Witherspoon and Bruna Papandrea, will develop the M.A. Larson children’s novel Pennyroyal’s Princess Boot Camp. They will produce and Witherspoon plans to play a supporting role. Book is a modern-day fairy tale about a school that shapes girls into warrior princesses to battle a growing coven of wicked witches. The book, set up to be a series, just sold to Putnam’s Children’s. CAA and Janklow-Nesbit made the deal.