Yasushi Okuda 
Tony The Cat Detective [EPUB ebook] 

When Tony the cat returns to London, he finds his neighbours are hostile, and his new territory is hard to come by.

To make matters worse, he is unknowingly caught up in a big conspiracy. But curiosity is his superpower, and with the help from his twin sister, a quirky friend and newly acquainted dogs, Tony sets out to solve the crime and save his best friend.