Mastering This Alone: 2nd Grade Construction Management Engineer Kazuko Yoshii / Hiroshi Hayami / Koichi Ikemoto / Kazuko Yoshii / Koichi Ikemoto / Hiroshi Hayami Price: ¥2800 Generally in good condition. Kazuko Yoshii, Hiroshi Hayami, Koichi Ikemoto Book Civil Engineering/Architecture This book is a study guide that allows you to study both the first and second examinations of the 2nd Grade Construction Management Engineer exam in one book. As the title suggests, it focuses on the key points that lead to passing the exam by "mastering only this," and explains them in an easy-to-understand format.