I’d like to suggest to you a soviet fantasy book for teens –
"The Boy and the Lizard" (the final book of the trilogy)
by contemporary Russian author Vladislav Krapivin in English.
YOU CAN DOWNLOAD OR READ IT FREE IN PDF on
The second book “The Summer Carnival in Starogorsk”
https://yadi.sk/i/brMf4qbSTtSCow in pdf
https://yadi.sk/d/f_K-fZ2KkXn-nA in epub
I hope you enjoy it!
Invir Lazarev (translator and editor)