They often have vivid illustrations of rhinos. For example, the rhino might be shown with big, kind eyes and a huge body that kids can easily recognize.
Another way is through habitat protection. Ensuring that their natural habitats are preserved and not encroached upon by human activities like farming or building. This can involve creating protected areas.
Latex is a natural rubber tree fruit. Its sap has strong elasticity and stickiness, so it is used to make various plastic products such as rubber gloves, rubber tubes, rubber tires, etc.
In some novels, rubber was used to create all kinds of magical items such as magical rubber balls, magical rubber bracelets, and rubber wings that could allow people to fly. These novels usually described how the protagonist used the rubber to create all kinds of magical items to satisfy his wonderful adventures.
Latex modification was a novel full of imagination. It depicted how the protagonist made all kinds of magical items with rubber to satisfy his wonderful adventure. This kind of novel was usually filled with science fiction elements and some fantasy elements.
One great book is 'Rhinoceros Tap Dance' which tells a fun fictional story about a rhino who discovers his love for tap dancing. It's full of colorful illustrations that kids will love.
It could be that they discovered a new place to play and spent lots of happy moments there. Or maybe one of them was injured and the other stayed by its side to help.
I'm not sure specifically which 'rubber woman story' you are referring to. There could be many fictional or even real - life accounts with such a name. It could be about a woman with some unique characteristics related to rubber, like perhaps she has a job in a rubber factory and some interesting events occur there, or it could be a more fantastical story where she has rubber - like abilities or is made of rubber in a fictional tale.
Since I've not read a specific 'Rubber Soul Novel', if it exists, it might be about the concept of a 'rubber soul' in a metaphorical sense. For example, a soul that can stretch and bend like rubber, perhaps representing a person's ability to endure hardships or change with the times. It could also be a story set in a world where souls have physical properties similar to rubber.
I doubt they are widely popular as it's a rather unusual concept. Most mainstream audiences are more familiar with more common story themes like adventure, romance, or mystery.