Philatelist's book (5,5)
I believe the answer is:
stamp album
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">philatelist's book</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I've seen this in another clue)</span><br/ ><br/ >This is the entire clue.<br/ ></span>
(Other definitions for stamp album that I've seen before include "collector's book" , "Something used by philatelists" , "Philatelist's book" .)