This is the 2nd official G&D dust jacket format

   I don't know how many were printed in this format, but it is differentiated by having the pastedown artwork from the 1st official Grosset & Dunalp format added to the dust jacket.  The spine was left white, with only the title, pseudonym and publisher listed.  

#1 Merry Days Indoors and Out

#2 In The Country

#3 At the Seashore

#4

#5 At Snow Lodge

#6

#7

#8

#9

#10