Observer's Books 11 - 20
The Observer's Book of Aircraft (No. 11)
There are at least 33 different dustwrapper variations for this book, whilst published by Warne, some with only minor changes. The book was 1st published in 1949. and reissued nearly every year since, There were three earlier versions of this title, called The Observer's Book Of Airplanes. These were published in 1942, 1943 and 1945 and were not numbered.
The Observer's Book of (British) Ferns (No. 12)
There are at least 6 different dustwrapper variations for this book, whilst published by Warne, some with only minor changes. The book was 1st published in 1950.
The Observer's Book of (British) Architecture (No. 13)
There are at least 10 different dustwrapper variations for this book, whilst published by Warne, some with only minor changes. The book was 1st published in 1951.
The Observer's Book of Larger (British) Moths (No. 14)
There are at least 5 different dustwrapper variations for this book, whilst published by Warne, some with only minor changes. The book was 1st published in 1952.
The Observer's of Book Ships (No. 15)
There are at least 11 different dustwrapper variations for this book, whilst published by Warne. Some with only minor changes. The book was 1st published in 1952.
The Observer's Book of Music (No. 16)
There are at least 3 different dustwrapper variations for this book, whilst published by Warne. The book was 1st published in 1953.
The Observer's Book of Common (British) Insects and Spiders (No. 17)
There are at least 7 different dustwrapper variations for this book, whilst published by Warne. Some with only minor changes. The book was 1st published in 1953.
The Observer's Book of (British) Birds' Eggs (No. 18)
There are at least 4 different dustwrapper variations for this book, whilst published by Warne. Some with only minor changes. The book was 1st published in 1954.
The Observer's Book of Common Fungi or The Observer's Books of Mushrooms, Toadstool and other Common Fungi (No. 19)
There are at least 3 different dustwrapper variations for this book, whilst published by Warne. The book was 1st published in 1954.
The Observer's Book of Mosses and Liverworts (No. 20)
There are at least 2 different dustwrapper variations for this book, whilst published by Warne. The differences only being minor, involving the colour of the edging.The book was 1st published in 1955.