Other appear in the bookshops all the time - Sybex, Que and Microsoft press are the main publishers, but there are others. You may also need books on Access and ASP - see the reference sectionin the pages about Access on the web . If you need to use modules in Access, you may need a reference on Visual Basic - look ion the shelves for this. There is an international Access discussion list, which has a fair amount of traffic, with answers to many detailed questions. The recent versions of File Maker have relational capabilities but retain the ease of use and good layout facilities of the earlier version.
Most users find it easy to use and the manuals sufficiently good to learn from.
There are many on the new version and on FileMaker and the Web. The books provide good introductions to the language and if you need SQL then one of these will be essential for reference. There are also several useful chapters on design of relational databases. James R. Groff and Paul N. Weinberg, Using SQL, Osborne McGraw Hill, 1990. There are books on SQL in the Robinson Library - search the catalogue for the titles.