The next point is that the top age edges are stained a yellow/orange stain. The only editions that have this are the 1st editions. A little history behind these books. The Second World War set was so popular when it began in 1948 that the printers for Houghton Mifflin new they could not keep up with the demand so Houghton Mifflin contracted out to 4 separate printers to print the first printings of the books.
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