hand·book 
(hăndbk′)
(hăndbk′)n.
1. A concise manual or reference book providing specific information or instruction about a subject or place.
2. Games
a. A book in which off-track bets are recorded.
b. A place where off-track bets are taken.
- unnaturally
- unnaturalness
- unnecessarily
- unnecessary
- unnerve
- unnervingly
- unnoticeable
- unnoticeably
- unnumbered
- unobjectionable
- unobstructed
- unobtrusive
- unobtrusively
- unobtrusiveness
- unoccupied
- unofficial
- unofficially
- unopposed
- unorganized
- unoriginal
- unornamented
- unorthodox
- unorthodoxly
- unorthodoxy
- unostentatious