Reading comprehension depends on a child's the ability to make inferences.   Going beyond the information given explicitly in the pictures and text, readers construct a representation of the text using inference to connect different events and parts of the story.  You can support your child's growing ability to think about how and why things happen in a story, by asking questions that focus your child on meaning that is implied.  Look for moments when you know what's happening without it being expressly explained in the text, or shown in the pictures. 

Utterly Otterly Night is a good title to read after your preschooler has had some experiences sledding down snowy hills.  This experience will help him or her to understand what the otters are doing in much of this story.