7.75 Inches Long
5.25 Inches Wide
1.5 Inches Thick
Very Rare and unique. 
The book is intact and pretty solid. But does have cracked hinges.

There is some foxing and age spots on pages.  
Looks in decent shape for age.  See all pictures. 
There is a crack in the outer cover cloth of book at the spine. 

Fair condition.  

If you have any questions, please contact me.