It's spring break, and the twins are taking a scuba diving course at Pirates Cove. On their first dive the twins discover the remains of an old pirate ship, and half a golden heart buried in the sand. Can Elizabeth discover the secret of the golden heart before the curse destroys her?

While taking a scuba diving course, Elizabeth and Jessica Wakefield stumble upon the wreck of an old pirate ship and half of a golden heart, but their delight soon turns to terror when they begin to receive ominous chain letters.

Vol. 97.

During a special summer session at Sweet Valley University, Elizabeth falls for her Romantic poetry teacher, and Jessica finds a solution to her roommate troubles through her ceramics class.

Jessica and Elizabeth travel to Paris after being selected as participants in their school's Bonjour Paris program.

Janet Howell is driving Jessica Wakefield crazy! Janet is one of the most popular and important girls at Sweet Valley Middle School, but when she's mean, she's really mean. And ever since she and her sort-of boyfriend, Denny, got into a huge fight, Janet has been utterly impossible. So Jessica decides to get Janet and Denny back together. And if it takes a little fib to do it, well, all's fair in love, right? Not quite. Jessica's twin sister, Elizabeth, overhears her scheme and gives her a lecture on lying that hurts Jessica's feelings. So Jessica makes a wish that Elizabeth would have to tell nothing but the truth. But when her wish comes true, Jessica is anything but happy! Not only can't Elizabeth stop telling the truth, she can't seem to keep her mouth shut about Jessica! Can Jessica reverse the wish in time to save herself from Elizabeth's obnoxious honesty?