Twitter:

https://twitter.com/mmcquillen44
 

 Word press:

https://msmcq2005.wordpress.com
 

Facebook Group:

https://www.facebook.com/groups/1042538899090816
 

Facebook Author Page :

https://www.facebook.com/authormarkmcquillen

Mark McQuillen's Madhouse on Facebook :
https://www.facebook.com/MarkMcQuillenMadhouse
 

Goodreads:

https://www.goodreads.com/author/show/14240604.Mark_McQuillen
 

Kobo:

https://store.kobobooks.com/en-us/ebook/valkyrie-darkness-awaits-valkyrie-darkness-book-1

 

Amazon:

http://www.amazon.com/Mark-McQuillen/e/B013S976LA/
 

Smashwords:

https://www.smashwords.com/books/byseries/22313
 

Barnes&Noble

http://www.barnesandnoble.com/s/%22Mark%20McQuillen%22?Ntk=Publisher&Ns=P_Sales_Rank&Ntx=mode+matchall