Glasshouse gardeners and those with large conservatories may be tempted to grow citrus trees. This book by Martin Page contains well written, instructive comments. Due to an American influence on the varieties chosen it is worth doing more research for UK purchases before plunging.
Don’t expect a crop of sweet juicy fruit in normal UK conditions.
It is noaccident that oranges grapefruit and other citrus come from Florida, North Africa and hot fertile climates
‘Growing Citrus’ is also available as an ebook.