i need you to write me a book for a 2 year old boy the general idea of the book will be explained below:
the boys name: reggie roo 
the story line: reggie roo is in hospital, he's a brave boy accompanied by his mommy and daddy. he will be in and out of hospital for a while, the story needs to be easy to understand for a 2 year old but also up lifting. reggie roo loves magical kingdoms with fairies, wizards and fluffy mythical creatures, i want the story to be about reggie roo being the main character, the bravest boy in the land with his three companions ( mommy, daddy and coby reece) and whenever he enters the hospital it transforms into a magical wonderland where wheelchairs are magical creatures to take him around the kingdom, nurses give him medicine but its actually magical potions, his hospital bed is a powerful place that protects him and more things along those lines. eventually once he has navigated through the magical kingdom he will return home and live happily ever after. 

Reggie Roos Magical Adventure

Reggie Roo in a wheelchair that is transforming into a dragon, with a hospital corridor fading into a magical kingdom

Once upon a time, Reggie Roo, a brave little boy, found himself in a hospital. But this was no ordinary hospital; it was a gateway to a magical kingdom. As Reggie Roo held his mommy's hand and daddy pushed his wheelchair, the hospital transformed. His wheelchair turned into a friendly dragon that could fly and take him anywhere in the kingdom. Reggie Roo's eyes sparkled with excitement, ready for the adventure ahead.

The Magical Hospital

A nurse dressed as a wizard holding a potion bottle, with magical sparkles around

In the magical kingdom, nurses were wizards and witches, wearing hats tall and wide. They carried potions, not just any potions, but magical ones that made Reggie Roo stronger and braver with each sip. 'This potion will make you the bravest boy in the land,' said the head nurse with a smile. With a gulp, Reggie felt a warm feeling inside, ready to explore more of this enchanting world with his family by his side.

The Potion of Bravery

Reggie Roo asleep on a cloud bed high above a starlit magical kingdom

Night fell in the magical kingdom, and it was time for Reggie Roo to rest. His hospital bed transformed into a cloud, floating high above the kingdom. Surrounded by stars, Reggie Roo knew this cloud was a powerful place that kept him safe and sound. 'This is your fortress, a place of healing and strength,' whispered mommy as she kissed him goodnight. Reggie smiled, feeling the magic work as he drifted into dreams.

The Enchanted Bed

Reggie Roo waving goodbye to the magical creatures, with a castle in the background

After many adventures in the magical kingdom, it was time for Reggie Roo to return home. As he said goodbye to the magical creatures and the kingdom, he knew he would always be the bravest boy in the land. With mommy and daddy by his side, Reggie Roo felt stronger and happier than ever. 'You've done well, brave Reggie,' daddy said with pride. And they all lived happily ever after, knowing magic was always around, especially in times of need.