Anne Ashley 
Miss in a Man’s World [EPUB ebook] 

With her beloved godfather's death shrouded in scandal, the impetuous Miss Georgiana Grey disguises herself as a boy and heads to London to discover the truth.Being hired as the notorious Viscount Fincham's page helps Georgie's investigations, but plays havoc with her heart… She returns home, disastrously in love with her high-handed protector, only to discover she must return to London for the Season!She comes face-to-face with Fincham at a lavish ball, where her true identity and outrageous deception are unmasked…