"Scarlet has been keeping to herself. But she is convinced that her removal from the Star Darlings was a terrible mistake. With Vega's help she starts an investigation. Meanwhile, Ophelia is chosen to go on a Wishworld mission, for which she is hopelessly unprepared. Will Scarlet be the one to rescue Ophelia and the mission?"--Page [4] of cover.

Adora must help a wisher find a new friend, but when things don't go as planned, Adora is stranded on Wishworld and the other Star Darlings must come to her rescue despite the fact that Adora has befriended the wisher herself.

"Quintessence is an extraordinary story from Jess Redman about friendship, self-discovery, interconnectedness, and the inexplicable elements that make you you. "Find the Elements. Grow the Light. Save the Starling." Three months ago, twelve-year-old Alma moved to the town of Four Points. Her panic attacks started a week later, and they haven't stopped -- even though she's told her parents that they have. She's homesick and friendless and every day...

"There are lots of strange things going on at Starling Academy these days: Leona is devastated about her Wish Pendant failure. Ophelia, the newest Star Darling, is completely clueless. Vega's roommate, Piper, is getting on her last nerve. And Scarlet? Who knows? She's nowhere to be found! So when by-the-book Vega gets sent to Wishworld on the next mission, she finds herself very distracted. Why is her Wisher so secretive? Vega needs to solve this...

There is a crisis in the Starlight Kingdom, one of the fantasy worlds: its stars, powered by a special kind of stardust, are fading and may soon go out forever, leaving the Kingdom in darkness--so the Thea sisters and Will Mystery set out for Brightstar Castle to discover what is wrong, but first they must overcome the obstacles and challenges that the fairies are placing in their way.