A nice touch is the no color format, which works well with black-and-white printers.
Product Tag: AAC Device
Portable AAC Device with 60 Phrases & 8 Programmable Buttons for Autism Support
A nice touch here is the checklist at the end of each chapter.
Versatile AAC Device for Non-Verbal Communication: Voice Switch & Volume Control
You will notice the 128 oz weight adds a sense of depth to your reading.
