There are 4 books in the Boys with Billion-Dollar Trust Funds series.
The Boys with Billion-Dollar Trust Funds series does not have a new book coming out soon. The latest book, Nick and Lilac (Book 4), was published in August 2013.
The first book in the Boys with Billion-Dollar Trust Funds series, Unwillingly Yours, was published in September 2014.
The Boys with Billion-Dollar Trust Funds series primarily falls into the General Fiction genre.