A book cover graphic with a whizzing wheeled, wheelie-jumping twin ridden by begoggled rider; possibly a Triumph or Norton. Great 70’s look and neat title: ‘Wonder’ being the operative word. I wonder what goodies would be found in these pages….
…it seems to cover everything about motorcycling! It’s also written by a certain Robin Lawrie; my fathers name. I’ll have to search out a copy for my motolibrary.