Bill, Frank, Cathy, Dolly and Jill read three of
the following books last summer:
The Hobbit, Speak, The Lorax,
To Kill a Mockingbird, and Little Women.
To solve this puzzle, create a table below with Y
representing the books read, and X representing the books not read.
Bill and Frank did not read
Little Women.
Cathy did not read The Hobbit.
Based on the above we have

Hobbit 
Speak 
Lorax 
Mockingbird 
Little Women 
Bill 




X 
Frank 




X 
Cathy 
X 




Dolly 





Jill 





Dolly was the only one who read The
Lorax.

Hobbit 
Speak 
Lorax 
Mockingbird 
Little Women 
Bill 


X 

X 
Frank 


X 

X 
Cathy 
X 

X 


Dolly 


Y 


Jill 


X 


Since we know the two books
Bill, Frank, and Cathy did not read, we know the three books each of them read.

Hobbit 
Speak 
Lorax 
Mockingbird 
Little Women 
Bill 
Y 
Y 
X 
Y 
X 
Frank 
Y 
Y 
X 
Y 
X 
Cathy 
X 
Y 
X 
Y 
Y 
Dolly 


Y 


Jill 


X 


Three of them read To Kill a
Mokingbird,

Hobbit 
Speak 
Lorax 
Mockingbird 
Little Women 
Bill 
Y 
Y 
X 
Y 
X 
Frank 
Y 
Y 
X 
Y 
X 
Cathy 
X 
Y 
X 
Y 
Y 
Dolly 


Y 
X 

Jill 


X 
X 

Thus, we know the three books Jill read.

Hobbit 
Speak 
Lorax 
Mockingbird 
Little Women 
Bill 
Y 
Y 
X 
Y 
X 
Frank 
Y 
Y 
X 
Y 
X 
Cathy 
X 
Y 
X 
Y 
Y 
Dolly 


Y 
X 

Jill 
Y 
Y 
X 
X 
Y 
Three of them read The Hobbit, this
results in

Hobbit 
Speak 
Lorax 
Mockingbird 
Little Women 
Bill 
Y 
Y 
X 
Y 
X 
Frank 
Y 
Y 
X 
Y 
X 
Cathy 
X 
Y 
X 
Y 
Y 
Dolly 
X 
Y 
Y 
X 
Y 
Jill 
Y 
Y 
X 
X 
Y 
From the table above, we conclude that
Bill read The Hobbit, Speak, and
To Kill a Mockingbird.
Frank read The Hobbit, Speak, and
To Kill a Mockingbird.
Cathy read Speak, To Kill a
Mockingbird, and Little Women.
Dolly read Speak, The Lorax,
and Little Women.
Jill read The Hobbit, Speak,
and Little Women.
