Complex sentence: In 2013 Pugh wrote a second book entitled "21 Yaks and a Speedo-How to Achieve Your Impossible", a collection of 21 short stories about his expeditions and the lessons he has learnt from them.
Split into simpler sentences: In 2013 Pugh wrote a second book entitled "21 Yaks and a Speedo-How to Achieve Your Impossible". The book is a collection of 21 short stories about his expeditions and the lessons he has learnt from them.