Cordelia Clay loves the work she and her father do together: saving and healing the remarkable creatures around Boston at the end of the nineteenth century. Their home on Cedar Street is full to the brim with dragons, squelches, and diggles, and Cordelia loves every one of them. But their work must be kept a secret, others aren't welcoming to outsiders and immigrants, so what would the people of Boston do to the creatures they call 'monsters'? One...

"When two princesses--twin sisters--travel to pay respects to their kingdom's dragon guardian, unexpected monsters appear, and tremors shake the earth. The Hidden Islands face unprecedented threats, and the old rituals are failing. With only their strength, ingenuity, and flying lion to rely on, can the sisters find a new way to keep their people safe?"--

Ronan, fifteen, the youngest and lowliest recruit to Ireland's secret Garda, faces untold danger from the wee people while trying to prove his imprisoned parents were framed.