The Legend of Viking Thunder is the second thrilling adventure in the Time Keys series by M. G. Leonard.
- ISBN10 1035005980
- ISBN13 9781035005987
- Publish Date 11 September 2025
- Publish Status Forthcoming
- Publish Country GB
- Publisher Pan Macmillan
- Imprint Macmillan Children's Books
- Format Paperback (B-Format (198x129 mm))
- Pages 256
- Language English