The Telegraph Tax Guide is the UK's bestselling tax handbook, containing everything you need to know about completing a self-assessment tax return for the 2025/26 financial year. With advice on how to complete self-assessment tax returns and a number of tax saving tips, this indispensable book includes: - Key changes from the 2025 Budget and Treasury Statements - Dealing effectively with HR Revenue and Customs- Worked illustrations showing you how to complete your tax submission- How living or working abroad affects the tax that you pay- Tax saving tips which help you save money Whether you are self-employed, work part time or full time or are retired, if you pay tax then The Telegraph Tax Guide 2026 is essential.