In the world of Luster, the dwarf Grimwold, keeper of the Unicorn Chronicles, is summoned to tell an important tale as part of a ceremony that occurs once every 25 years. It is the story of Alma Leonetti, and her quest to discover why something sweet and precious has disappeared from old Earth. (A much shorter version of this tale appears in DARK WHISPERS, Book 3 of the Unicorn Chronicles.
Used availability for Bruce Coville's The Guardian of Memory
December 2012 : USA, Canada, UK Kindle edition