A technical story book, based on the miniature railway. Grandpa tries to answer a tricky question about energy.
Introduction page from the book:
Peter and his Grandpa have built an amazing miniature steam railway between their houses; Woodland Cottage and Crossacres Farm. The line even runs to Yockletts Village where Peter goes to school.
The locomotive, Fiery Fox, is a wonderful machine. Bright green and very powerful. Apart from the pleasure of building the railway and other projects, Peter has loved learning so much about science and engineering.
Grandpa always takes the time to answer questions, however tricky they may be…..
 Age range 6 to 12 years.
Paperback, 32 pages with 12 watercolour pictures.