The Haynes Owner's Workshop Manuals (commonly known as Haynes Manuals) are a series of practical manuals from the British publisher Haynes Publishing Group. The series primarily focuses upon the maintenance and repair of automotive vehicles, covering a wide range of makes and models (300 models of car and 130 models of motorcycle); the manuals are aimed mainly at DIY enthusiasts rather than professional garage mechanics, as they lack the depth of coverage on particular vehicles or problems. The series includes a range of 'practical lifestyle' manuals in the same style for a range of topics, including domestic appliances and personal computers, digital photography, model railways, sport, animal care, men,