Everyone in his family assumes Percy is the Septimum Genus their ancestor Merlyn prophesied, but when he attempts a forbidden spell with his twin Merlynda and vanishes through a portal, it is Merlynda who sets off to rescue her brother and discovers her true powers.

As Hunter works to save her twin sister Mercy and demigod Khenti from the Ancient Egyptian Underworld, other evil threatens Goodeville, and the witch sisters must reunite and reconicle to stop Amphitrite and seal the gates to the underworld once and for all.

"Thirteen-year-old twins Hope and Gordon enter a spelling bee in a last-ditch effort to save their family from financial ruin, only to find themselves in a cut-throat competition to uncover a fortune and dark secrets about the wealthy relations they have never known."

"Bick, Beck, and the rest of the Kidds face down their nemesis, search for lost treasure, and race to solve a generations-old mystery that threatens to ruin the Kidd family name"

Kiya and Kinjal return to the Kingdom Beyond. For their next adventure in the Kingdom Beyond, twins Kiya and Kinjal must help the flying horses with a sudden invasion of their lands. It turns out that the tree ghosts are losing their forest! To save the trees, and the Kingdom, they must use their collective knowledge of this world and of course their magic!

""Daddy, there's a man in our room..." Alfie wakes one night to find his twin daughters at the foot of his bed, claiming there's a shadowy figure in their bedroom. When no such thing can be found, he assumes the girls had a nightmare. He isn't surprised that they're troubled. Grief has made its home at Hart House: nine months ago, the twins' mother Pippa died unexpectedly, leaving Alfie to raise them alone. And now, when the girls mention a new imaginary...

"The Argyros siblings have lost everything. With their father dead and their family home captured, they're no longer the rulers of their fractured kingdom--and no longer bound to each other. In the frozen north, Rhea struggles to wield her newly inherited command over death and to find her place in an increasingly distrustful rebel group. Chrysanthi travels to a distant, war-torn land in search of her elusive brother Nitsos, certain that he is there...

High school senior Scottie O'Doul searches for the truth behind the deadly car crash that claimed the lives of her twin sister and the high school football coach.

"The Masked Man possesses a powerful magic potion that turns every book it touches into a portal, and he is recruiting an army of literature's greatest villains. So begins a race through the magical Land of Oz, the fantastical world of Neverland, the madness of Wonderland, and beyond. Can twins Alex and Conner catch up to the Masked Man?"

"The Halgals enter talks of marriage with another clan, but first, Azel and the other men must be tested to see if they are worthy. They face off against their prospective brides in a horse-riding competition, and whoever retrieves an arrow and makes it to the finish line first will hold the future of both clans in their hands!"