Examines the system established to care for abandoned babies in England in the eighteenth century due primarily to the efforts of humanitarian Thomas Coram, and looks at the lives of orphaned children in the foundling hospitals and foster homes.
In the mid-eighteenth century, an unsavory character and his simpleton son become involved in the lives of a wealthy English family when that family's eldest son is disinherited because of his love of music.
Heart must solve the riddle of Castle Avamir, which is, among other things, "deep in a valley" and "over the moon, " in order to find a safe haven for the unicorns as the Gypsies leave Lord Levin's mountains for Lord Kaybale's plains.
With Moonsilver the unicorn disguised in armor, young Heart Avamir, searching for her Gypsy friends, attempts to travel unnoticed through the crowds gathered for the crowning of a new lord.
Following the death of her favorite adoptive aunt, Lucy goes searching for her biological family who abandoned her in an old Buick eighteen years before.
Having grown up in a home for foundlings and possessing a girl's name, Rossam?nd sets out to report to his new job as a lamplighter and has several adventures along the way as he meets people and monsters who are more complicated that he previously thought. Includes glossaries and maps.