I think serious enthusiasts and breeders still can really profit from literature.
"Milliped Zoology directs both enthusiastic amateur naturalist and professional laboratory animal caretaker to those species which are best suited to thrive in and populate a captive environment. Building on the 2012 Millipedes in Captivity, this updated volume includes numerous species that have engendered captive interest since that time. Successful reproductive efforts for previously scarce species are also recorded."
https://www.barnesandnoble.com/w/milliped-zoology-orin-a-mcmonigle/1143444189
Millipeds are fascinating subjects for educational study, and with proper care and attentiveness to basic requirements may offer years of enjoyment. Different shapes, colors, and behaviors contribute to the appeal of these understated creatures. Such attention given to small creatures like millipeds enriches our regard for the natural world at large.
"Milliped Zoology directs both enthusiastic amateur naturalist and professional laboratory animal caretaker to those species which are best suited to thrive in and populate a captive environment. Building on the 2012 Millipedes in Captivity, this updated volume includes numerous species that have engendered captive interest since that time. Successful reproductive efforts for previously scarce species are also recorded."
https://www.barnesandnoble.com/w/milliped-zoology-orin-a-mcmonigle/1143444189
Millipeds are fascinating subjects for educational study, and with proper care and attentiveness to basic requirements may offer years of enjoyment. Different shapes, colors, and behaviors contribute to the appeal of these understated creatures. Such attention given to small creatures like millipeds enriches our regard for the natural world at large.