Can books with teaser endings ever be satisfactory?

Many readers have a love-hate relationship with books that end on a teaser aka where a question is posed that will only be answered in the next installment or a hint at a future quest is given. Why are some teasers well received while others are despised? Readers dislike: Incomplete stories Loose end plot lines Unnatural teaser ending, created for the sole purpose of making the reader buy the next book in the series   However when done correctly a teaser can actually enhance the whole novel. The final scene or sentence… Read More