- Paperback: 166 pages
- Publisher: Rudolf Steiner Press; 2nd edition edition (Dec 1983)
- Language English
- ISBN-10: 0854404147
- ISBN-13: 978-0854404148
- Product Dimensions: 21.6 x 14 x 1.3 cm
- Amazon Bestsellers Rank: 2,559,023 in Books (See Top 100 in Books)