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Left join on my own list, don't know the syntax

I have a BOOKS table with the columns ISBN and TITLE. I have a list of
5 isbn-numbers and I would like to find out their titles if they are
in the database, or null if they are not. In other words, I would like
to do a LEFT JOIN (or is it RIGHT JOIN?) like this:

("123243434X"," 4352542555",424 2343241")

the result could be

123243434X | "book1"
4352542555 | NULL
4242343241 | "book2"

I'm not sure of how to create my sql syntax. The above gives me an
Jul 19 '05 #1
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