Master English Grammar in A Fun Way with The Disappearance of Haruhi Suzumiya (Suzumiya Haruhi no Shōshitsu de Eibunhō ga Omoshiroi Hodo Mi ni Tsuku Hon) is a Haruhi Suzumiya-based product sold in April 2013. It teaches English grammar.
It is sold by Chukei, a Kadokawa Group publishing company, which has sold other Haruhi Suzumiya English guides.
Yoyogi Seminar teacher Kensaku Harada uses actual text from The Disappearance of Haruhi Suzumiya novel and its translation to help students master English grammar. The cover and poster art is by Noizi Ito.
Lynzee Lamb. 2013-02-25. Haruhi & Nagato Teach English Grammar in New Guide. Anime News Network.