Not all will be automotive, but Big Boy's Toy interests such as military aviation and some celebrity biogs/autobiogs, where alternative subjects are detailed, are likely. For instance, Nick Pink Floyd Mason's entertaining overview of massive band success alongside his down-to-earth account of a mighty motoring adventures with his hardworked classic and race car collection. We may even read to the end of Rolling Stone Keith Richards' scary wanderings as well.
 
Where the current stuff can be widely obtained we'll just put what we paid and where. Out of print items will probably need a specialist bookseller, but also keep an eye on eBay and Amazon for friendlier prices.