The Book of Giant Stories by David L. Harrison illustrated by Philippe Fix

This copy I purchased at our library' sale (fill a bag for $1.00).  Its copy right is in 1972.
Three separate stories about a boy and giant (s).  Although the illustrations depict the same boy in all of the stories, there is no continuity between the stories.  Each little story begins with a rhyme.
The first story has the boy coming down with the measles.  Most children today do not know what the measles are and how dreadful they are.
The middle story story involved a witch casting a spell on an annoying giant.
The last story features a giant who throws tantrums.  The boy sees him and helps him overcome his frustration.
Warning: A witch is in one story and also in a rhyme.