Sum of numbers. in Col. B with "books" as label in Col. A

[denamark1]

     A                 B

1 general     10.34                          The function would give 30.43 for the sum of "books"

2 general       5.37                             There are over 1,000 rows in column A and B

3 books         9.34

4 general     15.25

5 general      8.76

6 books        7.40

7 books     13.69

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[#2]

@denamark1 

=SUMIF(A:A,"books"",B:B)