Apple: https://itunes.apple.com/ca/book/charmed-the-war-on-witches/id989772751?mt=11 
Kobo: https://store.kobobooks.com/en-CA/ebook/charmed-the-war-on-witches 
Amazon: http://www.amazon.ca/Charmed-War-Witches-Paul-Ruditis-ebook
Google: https://play.google.com/store/books/details/Paul_Ruditis_Charmed_The_War_on_Witches?id=JdSxCAAAQBAJ 
B&N: http://www.barnesandnoble.com/w/charmed-paul-ruditis/1121816093

Apple: (Part 1): itunes.apple / (Part 2): itunes.apple / (Part 3): itunes.apple / (Part 4): itunes.apple

Kobo: (Part 1): kobobooks / (Part 2): kobobooks / (Part 3): kobobooks / (Part 4): kobobooks

Amazon: (Part 1): Amazon.com / (Part 2): Amazon.com / (Part 3): Amazon.com / (Part 4): Amazon.com

Google: (Part 1): play.google / (Part 2): play.google / (Part 3): play.google / (Part 4): play.google

B&N: (Part 1): BarneandNoble / (Part 2): BarneandNoble / (Part 3): BarneandNoble / (Part 4): BarneandNoble

Apple: https://itunes.apple.com/au/book/charmed-let-gorgons-be-gorgons/id1073527322?mt=11

Kobo: https://store.kobobooks.com/en-us/ebook/charmed-let-gorgons-be-gorgons

Amazon: http://www.amazon.com/dp/B01AFZ2T6W/ref=cm_sw_su_dp?tag=hcaps-20

Google: https://play.google.com/store/books/details/Paul_Ruditis_Charmed_Let_Gorgons_Be_Gorgons?id=ZDtbCwAAQBAJ

B&N: http://www.barnesandnoble.com/w/charmed-paul-ruditis/1123239404?ean=9781443448772

Apple: https://itunes.apple.com/au/book/charmed-social-medium/id1112105054?mt=11

Kobo: https://store.kobobooks.com/en-AU/ebook/charmed-social-medium

Amazon: https://www.amazon.com/dp/B01FDB5LJA/ref=cm_sw_su_dp?tag=hcaps-20#nav-subnav

Google: https://play.google.com/store/books/details/Pat_Shand_Charmed_Social_Medium?id=4MwiDAAAQBAJ

B&N: http://www.barnesandnoble.com/w/charmed-pat-shand/1123773907?ean=9781443445993

Apple:

Kobo:

Amazon:

Google:

B&N: