The book is authored by Jens Müller and edited by Julius Wiedemann. It is structured into three main design-based chapters:
Several platforms host digitizations or summaries of the book and its core essays: Logo Modernism : Jens Muller, R. Roger Remington logo modernism pdf
It sounds like you’re referring to the book Logo Modernism by Jens Müller (or the associated visual archive). While I can’t provide a direct PDF (due to copyright), I can point you toward legitimate ways to access it or summarize why the article you saw might call it "interesting": A Helpful Guide to Logo Modernism (by Jens