Thanks for finding me here! What a cool place this is. Glad you are enjoying WITCH'S BREW! Books 2 and 3—The Gleaning and Devil's Frost—are available now, with Book 4, Beautiful Monster, is now available for pre-order exclusively with iBooks!
https://itunes.apple.com/us/book/beautiful-monster-spellspinners/id978556487

http://www.amazon.com/s/ref=nb_sb_noss?url=search-alias%3Ddigital-text&field-keywords=books+by+heidi+r+kling

Here's my official bio:

Heidi R. Kling is the author of the acclaimed novel SEA, a contemporary romance about the aftermath of the 2004 tsunami, and the popular fantasy series The Spellspinners of Melas County. Her second contemporary novel, PAINT MY BODY RED, about a girl who escapes a string of "contagious" suicides in at an elite California high school for her  father's decrepit ranch in Jackson Hole, Wyoming, debuts with Entangled Teen Fall, 2015. 

SEA was a finalist for "Northern California Book of the Year", an IndieNext Pick, Goodreads "Mover and Shaker" and a Gateway Reader's Award Finalist among other generous accolades. The Spellspinners of Melas County is a modern fantasy series set in a California beach town. 

After earning her MFA in Writing for Children from the New School in New York, she returned to Northern California where she lives with her husband and two children, right over the coastal mountains from the sea.

http://heidirkling.com