Jamie Rix books in order
2 books in the catalogue, about 6 hours of reading in all; the shortest takes 3 hours and the longest 4 hours.
1 series in the catalogue.
Grizzly Tales for Gruesome Kids
6 books
Grizzly Tales for Gruesome Kids 2.8 h 
Ghostly Tales for Ghastly Kids 3.5 h Fearsome Tales for Fiendish Kids length not known
More Grizzly Tales for Gruesome Kids length not known
Gruesome Grown-Ups length not known
Nasty Little Beasts length not known