Happy Death Day, Book 1 Happy Death Day by Aaron Hartzler Happy Death Day by Aaron Hartzler, in Happy Death Day / Happy Death Day 2U (Anchor BooksApril 1980, February 2019).
Happy Death Day, Book 2 Happy Death Day 2U by Aaron Hartzler Happy Death Day 2U by Aaron Hartzler, in Happy Death Day / Happy Death Day 2U (Anchor BooksSeptember 2018, February 2019).