Living Stones are a fascinating addition to any succulent collection! They love light, so they will thrive under grow lights or in a southern-facing window.
Lithops like less water than most succulents, and even less water in their dormant season (fall to spring). Too much water can cause the roots to rot, or the leaves to burst. Most people recommend only watering once you notice the plant is starting to shrivel or go slightly limp.
These succulents can be quite tricky to keep alive. They're one of the most challenging succulents. Err on the side of too little water until you get a feel for what it needs.
Living Rocks have a growing season and a dormant season, just like other succulents. They are dormant in the winter, and require much less water.
I haven’t personally read this book, but it might offer up some great information. This website can also give you some good tips.
These plants aren’t fast growers, but can be a beautiful addition to any collection!