Publication 17, Your Federal Income Tax
This publication covers the general rules for filing a federal income tax return. It supplements the information contained in your tax form instruction booklet. It explains the tax law to make sure you pay only the tax you owe and no more.
Publication 551, Basis of Assets
This publication discusses basis, the amount of your investment in property for tax purposes. It discusses cost basis, adjusted basis, and basis other than cost.
Publication 555, Community Property
This publication discusses community property laws that affect how you figure your income on your federal income tax return if you are married, live in a community property state or country, and file separate returns.
Publication 587, Business Use of Your Home (Including Use by Daycare Providers)
This publication explains how to figure and claim the deduction for business use of your home. It includes special rules for daycare providers.
Publication 936, Home Mortgage Interest Deduction
This publication discusses the rules for deducting home mortgage interest.