Elton sought to articulate more explicitly his vision of an entire field of invasion science.
In autobiog.
From the materials in the proof copy and other sources, we can imagine a new edition would also have targeted biologists and been somewhat more technical and prescriptive.
The 1958 book, aimed at an educated lay audience, was almost wholly descriptive, dominated by striking examples of the nature and scope of particular Invasions beginning with the seven examples detailed in Chapter 1.
Elton sought to articulate more explicitly his vision of an entire field of invasion science