Largest concertina book
Who
Yang Shuanming
What
814.26 square metre(s)
Where
China Mainland (Taiyuan)
When

The largest concertina book measures 814.26 m² (8,764 ft² 89 in²), and was achieved by Yang Shuanming (China) in Taiyuan, Shanxi, China, on 23 June 2019.

The applicant insisted on completing the book by himself, writing over 4,300 Chinese characters in one day. The attempt lasted over 16 hours.