簡単でやさしい問題から、頭を悩ますような難問まで、老若男女誰もが楽しめるなぞなぞを、豊富なイラストや図版とともに掲載!楽しみながら脳が鍛えられる一冊。
Faceboo auth is required to view user page.
If you have logged in since, it's automatically executed. If first time, Facebook auth login page will be shown, after your authorization, you can access user page.