Only Connect: The Difficult Second Quiz Book
P HB S -> PHOBOS
KT HM N -> KEITH MOON
R P -> EUROPA
S NM YN GM N -> SUN MYUNG MOON
Conundrum
FOURTHLETTEROFALPHABET – i.e. ‘D’
So You Think You've Got Problems
One straight-line cut will give you two pieces, each with a single straight side. Since the desired shape, a square, has four straight sides of equal length, you need to work out where you can make two cuts of equal length, as shown below.

Read more about Christmas science books: