public class Encyclopedia extends Book $\{$

$//$ TODO: Declare private fields: edition, numVolumes

$//$ TODO: Define mutator methods $-$

$//$ setEdition$(),$ setNumVolumes$()$

$//$ TODO: Define accessor methods $-$

$//$ getEdition$(),$ getNumVolumes$()$

$//$ TODO: Define a printInfo$()$ method that overrides

$//$ the printInfo in Book class

$\}$