I wrote a foreword for the 2012 reprinting of Guthrie's The Greek Philosophers. I've just seen the cover that Routledge have chosen. I like it. It's also quite long way back to 1950, of course, when Guthrie wrote the book.
Look through here to see things from a long time ago.
It's not available until the autumn but if you can't wait to spend £9.99 click here: