It is full of projects for 4 to 24 shafts, the majority for 8 shafts.
Richly illustrated. Professionally designed, sewn and bound in hardback, 240 pages, full color.
It is bilingual in Dutch and English.
Retail price € 47.50
You may purchase a copy for € 47.50 plus shipping costs on request
Look at the Errata of the book Double with a Twist.