|As well as presenting us with some of the latest heavy tractors to enter service David Lee looks back twenty years at more of the units used to convey the 'indivisible load'. A feature being the inclusion of some of the heaviest mobile cranes seen on Britain' s roads with some of the mightiest examples from Sparrows, Hewden Stuart, Ainscough, being represented. 176p. 78 colour & 78 mono illust. hardback.