Suzanne Collins published a book a year from 2003 - 2010 (most notably The Hunger Games books in 2008, 2009, and 2010). Since then, she only published a 40-page children's book in 2013. Granted, the movies were coming out between 2012 and 2015, but she's only listed as a screenwriter on the first movie, and the final Mockingjay movie came out in November 2015 (over 2 years ago as of the writing of this question).
What have her literary activities been since then? Has she been involved in any significant literary projects since The Hunger Games books (other than the movies)? Has she confirmed involvement in other projects, or stated an intention to become involved in or start a project in the future?