"150 Screenwriting Challenges" by Eric Heisserer is a resource designed to help screenwriters enhance their craft through a series of specific exercises. The book contains 150 distinct challenges that encourage writers to explore various aspects of screenwriting, from character development to plot structure.Heisserer, a writer and director known for his work on films such as "Arrival" and "The Thing," aims to provide practical tools for both novice and experienced screenwriters. The challenges can be approached randomly or by focusing on particular sections, allowing writers to tailor their practice to their needs.The book serves as a problem-solving guide, offering exercises that stimulate creativity and improve writing skills, making it a valuable addition to any screenwriter's toolkit