Ironically, this is the same book that sparked my interest in Gonyosoma 20 years ago. You may remember the full page picture of a bright green ratsnake which was only refered to as "Elaphe spp." For a few years I had a fascination with a snake I did not even know the name of!
I lost my entire herp library in a flood a few years back. It was a pretty large collection. I decided to not collect books after that but did pick up a copy of Beginning With Snakes last summer for the nostalgia. It was also the first reptile book I ever purchased.
Oh yeah, I also remember the Indigo picture quite well.
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Current snakes:
0.0.1 Gonyosoma oxycephala - Java locale (green)
0.2 Gonyosoma oxycephala - Malaysian locale (green)
1.2 Gonyosoma oxycephala - Java local (green)
2.2 Gonyosoma janseni - Seleyar locale (all black)
1.2 Gonyosoma janseni - Celebes locale (Black & Tan)