Spy x Family: The Official Guide―Eyes Only

The intimate secrets of the Forger family are revealed in this ultimate behind-the-scenes guide! Packed with character details, never-before-seen illustrations, in-depth interviews with creator Tatsuya Endo, and much more, this is a must-have for fans and collectors alike.
Includes behind-the-scenes details covering the first nine volumes of the hit manga, as well as tribute illustrations from 16 artists, including Hajime Isayama (Attack on Titan), Yuji Kaku (Hell’s Paradise: Jigokuraku), and Kazue Kato (Blue Exorcist)!
You can get it here: https://amzn.to/3u17muW
Readers from Canada can get it here: https://amzn.to/3skhC0N
Readers from UK can get it here: https://amzn.to/49AgxTx

We didn't find Flip-Through of english version, but here is Flip-Through of Japanese one. The one mentioned in this post has been translated into English