"The TimeRiders travel back to Robin Hood's Middle Ages to search for the mythical Holy Grail and to stop the future from changing"--
- ISBN10 0802733859
- ISBN13 9780802733856
- Publish Date 16 October 2012
- Publish Status Active
- Publish Country US
- Publisher Bloomsbury Publishing Plc
- Imprint Bloomsbury Childrens Books
- Format eBook (EPUB)
- Pages 432
- Language English
- URL http://bloomsbury.com/