To get to these themes, she has to have characters. And BOY does she!! From book one, all the way through SIX books, she intermingles the main voices of the current book with the lives and stories of the previous books, all the while ‘hinting’ at new stories in the future.
Mary Connealy sets up great series, though very different than the drama in Julie's books. Mary's a filled with adventure, humor, and hilarious male-female banter. And she's great at giving us 'hints' through her secondary characters about which romance might come next.
So how do secondary characters help build a series?