Julie did an interview with The Qwillery: A Blog About Books and other things speculative:

http://qwillery.blogspot.com/2016/04/interview-with-julie-mcelwain-author-of.html

Check out Julie on Layered Pages-lots of great info about characters from the books and Julie's perspective:

https://layeredpages.com/2016/04/08/interview-with-the-author-of-a-murder-in-time-julie-mcelwain/

https://layeredpages.com/2017/01/04/book-review-a-twist-in-time-by-julie-mcelwain/

 Check out The Joy of Binge Reading podcast, where Jenny Wheeler interviews Julie about her In Time series!

https://thejoysofbingereading.com/julie-mcelwain-time-travel-mysteries/