I understand you're looking for the (physical book) of Mimi kara Oboeru N2 Choukai (耳から覚えるN2聴解), not a PDF.
Here’s the information for purchasing the physical book: mimi kara oboeru n2 choukai pdf
Mimi kara Oboeru N2 Choukai (耳から覚える N2 聴解) Publisher: Bonjinsha (凡人社) ISBN: 978-4-89358-812-6 I understand you're looking for the (physical book)