whodunit quiz

[tiffy]

any help pllease ?
first name of a policeman poet 4 letters
where sally is from the north 6 letters
nice motor 7 letters
they are all first or second names of fictional detectives or authors
thanks tiffy

[furrypusscat]

John Constable

[tiffy]

to furrypussycat thanks for answer i should have put it starts with a all answers are alphabeticaly thanks tiffy

[furrypusscat]

Gracie Fields sang a song about Sally and she came from Lancashire in the north. Probably barking up wrong tree though.
I'll have another think about the first one.

[tiffy]

to furrypussy cat thanks again for help am just trying to get goingon this oneit could be a Bthanks tiffy

[Fibonacci]

Adam (Dalgliesh) ?
http://en.wikipedia.org/wiki/Adam_Dalgliesh

[tiffy]

to fibonacci thank you for answer that sounds right tiffy