About the author

Sid Kelly is a mechanical engineer, judo master, and writer. With over 60 years in Sport Judo, he represented Great Britain internationally, won multiple championships, and produced instructional videos and books. While teaching ESL, he developed the Building Block Tongue Twisters, which became the foundation for Tongue Twisters by the Ton. Married nearly 60 years, Sid now enjoys playing pickleball and sharing his love of language and movement.