Demon Trappers Reading Order

To help readers figure out the proper reading order here's the list, including short stories. For those with two titles, the first is the U.S., the second is the U.K. 

Demon Trappers Series

Short Story - IF ONLY . . .  (During Beck's apprenticeship and sets the dynamics between he and Riley Blackthorne)
Short Story - PERSONAL DEMONS (Beck)
Micro Story - RETRO DEMONOLOGY (Riley)
Short Story - ALL I WANT FOR CHRISTMAS (Riley)

Book 1 - DEMON TRAPPER'S DAUGHTER/FORSAKEN
Book 2 - SOUL THIEF/FORBIDDEN
Books 3 - FORGIVEN
Book 4 - FORETOLD

Short Story - NEW BEGINNINGS (Riley & Beck)

Book 4.5 - GRAVE MATTERS (novella)
Book 6 - MIND GAMES
Book 7 - VALIANT LIGHT

Books set in the Demon Trappers Universe
Book 8 - ALL SOULS