ryan constantine wrote:
> 
> i think the 'graphics gems' series covers all kinds of graphics
> including raytracing.

I would agree (noting especially that Graphics Gems IV has an article on
line-cylinder intersection), and I'd add the following three books on
writing ray tracers:

Glassner, _An Introduction to Ray Tracing_
Wilt, _Object-Oriented Ray Tracing in C++_
Shirley, _Realistic Ray Tracing_

Also, since you're interested in textures:

Ebert et al., _Texturing and Modeling_

-Mark Gordon

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