The secret of black stone

An emergency occurred in the spaces of space. Children from the planet Paulonia fell into a terrible situation: they ended up in the stomach of a very rare animal - a cosmic dragon. Who, if not Alice Selezneva and her Simferopol grandmother, save the unfortunate guys? There, in the stomach of the dragon, there was a black stone, the unraveling of the secrets of which leads Alice to endless discoveries. Pashka Geraskin, her friend and a brave partner, come to the rescue of Alice.
For mid-school age.
The book was published in the series "biss" Kira Bulychev.
Author: Kir Bulychev (Igor Vsevolodovich Mozheiko, 1934-2003) In 1957 he graduated from the Moscow State Pedagogical Institute of Foreign Languages. Maurice Torez. He worked as a translator and APN correspondent in Burma, a correspondent in the magazine "around the world", then worked at the Institute of Oriental Studies of the USSR Academy of Sciences. He began to write science fiction in 1965. Among his works, the most famous is the cycle about Alice Selezneva. Kira Bulychev’s books are known to all lovers of Russian fiction