Paddy is helping to build the biggest tunnel ever. It is for Mr Brunel''s Great Western Railway. Tom and Lizzie''s father says it will never be finished. One day it looks like he might be right when there is a disaster in the tunnel.'
- ISBN10 0749635371
- ISBN13 9780749635374
- Publish Date 15 June 1999 (first published 28 January 1999)
- Publish Status Unknown
- Out of Print 22 March 2005
- Publish Country GB
- Publisher Hachette Children's Group
- Imprint Franklin Watts Ltd
- Edition New edition
- Format Paperback
- Pages 64
- Language English