VB .NET Excel Manipulation

I'm looking for really good online resources on manipulating excel documents. I need to open existing excel documents and perform tasks such as unhiding hidden columns/rows, change print settings such as landscape/protrait, hiding cell borders, and a bunch more.

I'm googling, but nothing specific as yet, or titles of resources such as ebooks would help. I'm sure some of you guys got some links handy or have worked on similar projects.

Give me some help guys......
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Try creating a reference to:
Microsoft Excel 10.0 Object
(it's a com object)

From there you can create excel stuff.

Actually I've never used it, but it seems like a way you might try out.

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