Nicolas Calva has Caesar's magic bulla, the Malice of Mars, and he has hidden the dangerous Jupiter Stone, but he still has to find a way to defeat The Mistress, a dragon who contains the soul of the vestalis Atroxia, and who hates Rome, and save his mother and friends, and maybe even the Empire itself--and he is troubled by his sneaking sympathy for Atroxia, who was unjustly condemned.

A young Filipino-American boy must team up with his ancestor to break the curse that's haunted their family for generations, or be trapped in an amulet forever.

With the Mothergates dying, Horace and his fellow Keepers fear the weakened gates may unleash a force that will consume the world and their only hope of stopping this is to unlock the secret of a mysterious talisman of power before it is too late.

When Emily loses control of her Amulet, she is imprisoned in the Void, where she must escape the influence of the Voice, while her brother, Navin, travels to a space station where the Resistance is preparing to battle the approaching Shadow forces.

After the amulet that allows her to understand her animal friends go missing, Sofia sets out to find it before Cedric can use it to take over the kingdom.