Two-book set by Yuichi Higuchi, PHP Shinsho. 1⃣ "Excuses of Smart and Unsmart People" First edition, first printing, July 1, 2005 2⃣ "How Smart and Unsmart People Talk" First edition, twenty-first printing, December 22, 2004 [Condition] ■ These books have been read once and stored at home. They are in good condition, but please refrain from purchasing if you are concerned about minor details or are very sensitive. ■ Packaging will use recycled materials.