Bruce Coville books in order
27 books in the catalogue, about 111 hours of reading in all; the shortest takes 2 hours and the longest 11 hours.
3 series and 21 standalone books in the catalogue.
My Teacher Is an Alien
3 books
My Teacher Is an Alien 2.3 h 
My Teacher Glows in the Dark 2.6 h My Teacher Fried My Brains length not known
The Unicorn Chronicles
5 books 1 
Into the Land of the Unicorns 3.2 h 2 
Song of the Wanderer 6.2 h 
The Last Hunt 11.4 h
Into the Land of the Unicorns 3.2 h 2 Song of the Wanderer 6.2 h Dark Whispers length not known
4 The Last Hunt 11.4 h 7 The Gathered Glory length not known
Magic Shop Books
2 books
Jeremy Thatcher, Dragon Hatcher 2.8 h Juliet Dove, Queen of Love length not known
Standalone books
The Monster's Ring 2.4 h 
Waiting Spirits 2.8 h 
Visions of Fantasy 3.3 h 
Bruce Coville's Book of Monsters 3.1 h 
My Teacher Fried My Brains 2.5 h 
The Ghost in the Big Brass Bed 3.4 h 
Goblins in the Castle 3.0 h 
Jennifer Murdley's Toad 3.1 h 
My Teacher Flunked the Planet 3.0 h 
A Wizard's Dozen 3.4 h 
Aliens Ate My Homework 3.3 h 
Bruce Coville's Book of Nightmares 3.5 h 
The Skull of Truth 3.6 h 
A Glory of Unicorns 3.6 h 
Armageddon Summer 4.9 h 
Half-human 4.0 h 
The Monsters of Morley Manor 4.1 h 
13 5.1 h 
Juliet Dove, Queen of Love 3.7 h 
Dark Whispers 8.7 h 
The Dragon Book 8.2 h