The 2018 Crack the Core Exam 2 volume set does not include physics (War Machine). 2018 Edition is no longer available for purchase. 2019 Edition will be out November, 2018. Like and follow the Facebook and Twitter page to stay updated. Have a comment about one of the books? Dr. Lionhart takes all feedback seriously. Please send feedback using the feedback button on the left of the page or emailing. Check out errata here.