Jasper Fforde is a British author. This is a list of his current work and their order.
Books/Audiobooks (The Thursday Next Series)
The Eyre Affair
Lost in a Good Book
Well of Lost Plots
Thursday Next in First Among Sequels
(The Nursery Crimes Series)
The Big Over Easy
The Fourth Bear
The Great Hare and Tortoise Race (Unpublished)
(On its own)
Shades of Grey/Gray
As for T-shirts and postcards here it gets complicated
T-shirts include Acme Service, Porridge (Fourth Bear), Ginja (Fourth Bear), Spec Ops 17 (Thursday Next books), Toast (Lost in a Good Book), Jurisfiction (Thursday Next books from Lost in a Good Book), Spec Ops 27, NCD (Nursery Crimes books), Minotaur (Something Rotten), Dodo sign (Thursdays), Swindon Mallets (Lost in a Good Book), Goliath (Lost in a Good Book and others)
Postcards include Maggy Roberts drawings, warnings about Cheese, the airplane croquet, Thursday Next next to a car, the autopsy of Humpty Dumpty and so on.