Matt Heafy (Trivium, Ibaraki) has teamed up with Z2 Comics and illustrator Half Sumo for a new children’s book titled “Ibaraki And Friends.” The book, which will focus on Japanese folklore, is expected to be released in June. Here’s a description of the book: “Written by Matthew Kiichi Heafy (of Grammy-Nominated band Trivium), ‘Ibaraki And…