From the foreword:
"[...] Almost all the illustrations used in this book are taken from hand-coloured paintings, which until now have been largely out of reach to the general public, due to the scarcity of the works which are also enormously expensive. The authors have brought the scientific nomenclature up to the current classification status.
What generally happens when examining a book, particularly when used as a guide, is to turn to and look at the plates before reading the text. Many species from these islands have never been illustrated in a consolidated book before, and this, in particular, makes this book invaluable for fieldwork. Although not all species are illustrated, they are generally covered in the text.
The Literature review is particularly valuable, as this has also never been consolidated before. Several of those species not illustrated in the 73 plates do appear in the various Figures in this section of the book.
An interesting assembly is to include the Island of Socotra when generally one thinks of Madagascar and the surrounding islands as the Indian Ocean Islands. What a great opportunity to meet the butterflies of Socotra as well again, what has been written is largely unobtainable. [...] "
Abbreviations used in the text