◯ Textbook: Navigation for Private and Commercial Pilots 　　　　Preparation for Navigation Theory Exam 　　　　Compatible with Navigation Computer AN-2 ◯ Publisher: Hōbunshorin ◯ Price: ¥3,850 ◼︎ Condition of the item ・Stored in a dark place at home for a long time. ・Has writing in it Please purchase only if you understand the above.