Patent Publication Number: US-D811476-S

Title: Convertible spine book

Description:
FIG. 1  is a perspective view of a convertible spine book, showing my new design in a first state; 
         FIG. 2  is a front elevational view thereof; 
         FIG. 3  is a rear elevational view thereof; 
         FIG. 4  is a right side elevational view thereof; 
         FIG. 5  is a left side elevational view thereof; 
         FIG. 6  is a top view thereof; 
         FIG. 7  is a second perspective view of the convertible spine book in a second state; 
         FIG. 8  is a front elevational view thereof; 
         FIG. 9  is a rear elevational view thereof; 
         FIG. 10  is a right side elevational view thereof; 
         FIG. 11  is a left side elevational view thereof; 
         FIG. 12  is a top view thereof; and, 
         FIG. 13  is a plan view of the design in a pre-folded state. 
       The broken lines are directed to environment and form no part of the claimed design.