Guinness world records 2021. 

 - [London]:  Guinness World Records Limited,  c2020. 
 - 255 p. :   col. ill. ;  31 cm. 
<br/><br/>Includes indexes. 
<br/><br/><label>ISBN: </label>978-1-913484-00-2 (cb.) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Curiosities and wonders.<br/>World records.