How did a paralyzed man write book?

This is a great question, and it's impossible to give a definitive answer without knowing more about the specific paralyzed man and the book he wrote. However, there are a few common ways someone with paralysis might write a book:

* Dictation: This is likely the most common method. The paralyzed individual can speak their thoughts and ideas, and someone else can transcribe them into a document. Voice recognition software can also be helpful, allowing the author to dictate directly into a computer.

* Eye-tracking technology: This allows individuals with limited mobility to control a computer cursor with their eyes. They can then "type" by selecting letters on a virtual keyboard or using word prediction software.

* Adaptive equipment: Depending on the specific type and extent of paralysis, there might be specialized equipment that allows individuals to type, such as:

* Mouth sticks: A stick held in the mouth can be used to activate keys on a keyboard.

* Head pointers: These allow individuals to control a cursor by moving their head.

* Switch-adapted devices: These devices are controlled by pressing a switch with a body part that still has some movement.

* Collaboration: The paralyzed author might collaborate with a co-writer who helps to shape their ideas and translate them into written form.

It's also important to consider the nature of the book itself. Some books might be easier to write than others, depending on the format and content:

* Memoir or autobiography: These can be written based on personal experiences and memories, which the author can easily access.

* Non-fiction: If the book is about a topic the author is knowledgeable about, they can use their existing knowledge and expertise to dictate or use assistive technology.

* Fiction: This might be more challenging, as it requires creativity and imagination. However, many authors have used various methods to overcome their physical limitations and create compelling stories.

Ultimately, the way a paralyzed man wrote a book would be unique to his individual circumstances and the specific tools and resources available to him. It's a testament to human resilience and creativity that individuals facing significant challenges can still find ways to express themselves and share their stories with the world.