<s>
Bonnie	B-Operating_System
's	I-Operating_System
Bookstore	I-Operating_System
is	O
a	O
word-forming	O
puzzle	O
video	O
game	O
developed	O
by	O
New	O
Crayon	O
Games	O
and	O
published	O
by	O
PopCap	O
Games	O
.	O
</s>
<s>
As	O
in	O
the	O
similar	O
title	O
Bookworm	B-Operating_System
,	O
players	O
use	O
adjacent	O
letters	O
to	O
form	O
valid	O
words	O
,	O
with	O
points	O
being	O
awarded	O
based	O
on	O
the	O
length	O
of	O
the	O
word	O
.	O
</s>
<s>
In	O
Bonnie	B-Operating_System
's	I-Operating_System
Bookstore	I-Operating_System
,	O
the	O
titular	O
character	O
runs	O
a	O
bookstore	O
which	O
she	O
has	O
inherited	O
from	O
her	O
deceased	O
grandfather	O
.	O
</s>
<s>
One	O
day	O
while	O
cleaning	O
the	O
attic	B-Application
,	O
she	O
discovers	O
a	O
series	O
of	O
paintings	O
apparently	O
created	O
by	O
him	O
.	O
</s>
<s>
The	O
website	O
Gamezebo	O
remarked	O
that	O
,	O
despite	O
similarities	O
with	O
existing	O
titles	O
(	O
including	O
PopCap	O
's	O
own	O
Bookworm	B-Operating_System
)	O
,	O
Bonnie	B-Operating_System
's	I-Operating_System
Bookstore	I-Operating_System
redeemed	O
itself	O
through	O
fun	O
and	O
challenging	O
gameplay	O
.	O
</s>
<s>
The	O
reviewer	O
at	O
GameDaily	O
likened	O
the	O
title	O
to	O
Scrabble	B-Application
,	O
but	O
found	O
the	O
gameplay	O
both	O
rewarding	O
and	O
addictive	O
,	O
landing	O
it	O
a	O
"	O
Perfect	O
10	O
"	O
score	O
.	O
</s>
