People who read science fiction and fantasy are always looking for Easter eggs, the hidden clues that appear from book to book that give away hints about the final series installment. But Easter eggs don’t happen accidentally, and sometimes authors don’t know the best way to integrate them. So how do we, as editors, work through a large speculative series and integrate those fun moments of foreshadowing? How do we connect individual books in a series but still make each individual book compelling? Using popular examples from entertainment, we’ll break down what a series needs and how we can transform a disconnected group of stories into one, cohesive series.