Because of the huge success of the Key Word Reading scheme, especially in the 60s, 70s and 80s Peter and Jane are often synonymous with learning to read. Their main predecessors, Janet and John, were popular in schools in the 1950s - but they weren't Ladybird Books. Anyway, every child who appears in a Ladybird Book gets called Peter or Jane (or Janet or John). But it you're reading this blog, you almost certainly know better.
Or do you?
Try this silly quiz:
(Sorry, iPad/iPhone users - it uses 'flash')
Well? How did you do?