This is the audiobook Misterio en el Teatro (Mystery in the Theater). An audiobook to learn Spanish.
The audio is completely in Spanish, but you can find the book in Spanish or in its bilingual version (Spanish-English) can find it on Amazon.
If you prefer to read and listen at the same time, you can buy the digital or paper books on Amazon.
Here you are the link for listening to chapter 1 for free.
