The Missing Heir
Xena and Xander Holmes, an American brother and sister living in London, use clues from their ancestor Sherlock Holmes' casebook to help classmate Alice Banders, who goes missing following the announcement that she will be crowned queen of Borogovia after her thirteenth birthday.
FIC
year: 2012
copies: 17
call number/section: FIC
lexile: 760
subjects: missing persons, princesses [X], identity (psychology), brothers and sisters [X], london (england) [X], england