Hole, Harry (Fictitious character) -- Fiction. Police -- Norway -- Oslo -- Fiction. Serial murder investigation -- Norway -- Oslo -- Fiction. Detective and mystery stories.

Leonardo, da Vinci, 1452-1519 -- Appreciation -- Fiction Art museum curators -- Crimes against -- Fiction Secret societies -- Fiction Cryptographers -- Fiction Grail -- Fiction

Leonardo, da Vinci, 1452-1519 -- Appreciation -- Fiction Art museum curators -- Crimes against -- Fiction Secret societies -- Fiction Cryptographers -- Fiction Grail -- Fiction

Kincaid, Ben (Fictitious character) -- Fiction Tulsa (Okla.) -- Fiction Mystery fiction Legal stories

Women artists -- Fiction Commercial artists -- Fiction Greeting cards industry Mystery fiction

Valentine's Day -- Fiction Mystery and detective stories

Women private investigators -- Indiana -- Fiction Sisters -- Fiction Missing persons -- Fiction Indiana -- Fiction Detective and mystery stories

Mice -- Fiction Animals -- Fiction Archaeology -- Fiction Mystery and detective stories

Ramotswe, Precious (Fictitious character) -- Fiction Women private investigators -- Botswana -- Fiction Botswana -- Fiction Mystery fiction

Twins -- Juvenile fiction Brothers and sisters -- Juvenile fiction Adventure and adventurers -- Juvenile fiction Mystery and detective stories

Leonardo, da Vinci, 1452-1519 -- Appreciation -- Fiction Art museum curators -- Crimes against -- Fiction Secret societies -- Fiction Cryptographers -- Fiction Grail -- Fiction

Ramotswe, Precious (Fictitious character) -- Fiction Women private investigators -- Botswana -- Fiction Botswana -- Fiction Mystery fiction