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I am trying to understand divisors reading through Griffith and Harris but it is difficult to come up with any particular interesting example. I have browsed through Hartshone's book but everything is expressed in terms of schemes, and I believe it is still possible to find some toy example to carry with me without having to learn what a scheme is first. Does anyone know any reference or book which has some exercise or example on this? In particular I would like to see examples of linear systems of divisors and how given a linear system of dimension $n$ I can choose a pencil inside it.

Apologies if this is not the place to write this, it is my first post. I have searched through the questions and have not find anything similar.

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Examples of divisors on an analytical manifold

I am trying to understand divisors reading through Griffith and Harris but it is difficult to come up with any particular interesting example. I have browsed through Hartshone's book but everything is expressed in terms of schemes, and I believe it is still possible to find some toy example to carry with me without having to learn what a scheme is first. Does anyone know any reference or book which has some exercise or example on this?

Apologies if this is not the place to write this, it is my first post. I have searched through the questions and have not find anything similar.