Inside the IRS: what you need to know about IRS operations -- Filing tax returns: if you haven't filed and other concerns -- Winning your audit -- Appealing your audit within the IRS -- Going to tax court: no lawyer necessary -- When you owe the IRS: keeping the tax collector at bay -- IRS enforced collection: liens and levies -- The taxpayer advocate: a friend at the IRS -- Family, friends, heirs and the IRS -- Fraud and tax crimes: do you really have to worry? -- Small businesses/sefl-employed: when IRS trouble comes -- Penalties and interest -- Help beyond the book: tax professionals and tax information -- When you owe state income taxes -- The taxpayer's bill of rights -- The 25 most frequently asked questions.