|The Allotment Specialist (Specialist Series)||
Easy straightforward guide.
|Vegetable Growing Month-by-month: The Down-to-earth Guide That Takes You Through the Vegetable Year||
Brilliant month by month guide, lots of down to earth (pun intended) useful information.
|50 Ways to Kill a Slug (Gardening)||
Amusing, but also informative
|RHS Grow Your Own: Veg (Royal Horticultural Society Grow Your Own)||
Big book, lots of information
|The Essential Allotment Guide: How to Get the Best out of Your Plot||
John Harrison does write a very readable book, and he is very much an authority on allotment growing