Throughout the PDF, you will find red boxes titled "Tsunagi Kotoba" (Connecting Words). Copy these manually onto a single sheet of paper.
If you cannot afford the physical book or are waiting for it to ship, you should look for the following official resources instead of unauthorized scans: tsunagu nihongo pdf
Disclaimer: This post does not link to or endorse piracy. Supporting authors and publishers ensures more high-quality textbooks get made. Throughout the PDF, you will find red boxes
A pirated PDF of this book is nearly useless for self-study. You need the physical book or a licensed e-book with embedded audio. If you cannot find the official digital version,
If you cannot find the official digital version, do not despair. There are similar resources that fulfill the same "connector" niche.
If you want a free or legal digital equivalent with a similar "communication-first" style, try these: