Peter Warren is an author and bonsai artist working in the UK, offering teaching and consultancy from his studio/nursery in London.

Since completing a traditional six-year apprenticeship in Tokyo under the bonsai master Kunio Kobayashi, Peter has taught and worked with bonsai collectors across the world, and has exhibited in Japan, the US, and Europe. He writes for magazines such as Bonsai Focus and International Bonsai, and authored the 2014 DK title, Step-by-Step Bonsai.

Michael Streeter is a British writer and TV researcher with over 30 years‘ experience in national newspaper journalism.

A former editor for the Scottish Daily Express, he has written and researched books and documentaries on subjects as diverse as the weather, medieval crime, and the occult.