This is a book of idioms that have words that are homophones. In English, a king reigns, like Queen Elizabeth reigns over the UK, but the word sounds like the weather term "rains." Some of these words are 

Here are the idioms, with the homophones in italics. 

There was a king who rained for forty years. (reigned)
There are forks in the road.
He has a mole on his nose.
Lambs gamble on the lawn. (gambol - to play or frolic)
She has a frog in her throat.
She is a little horse. (hoarse)
I am a little deer. (dear)
I can hold up her train.
Next time he paints the house, he is going to give it two coats.
There is a head on his beer. 
All we get in the mail are big bills.
She is playing bridge.
Our family has a coat of arms.
Live in the present.
Children have bear feet. (bare)
Foot prince / blue prince (foot prints / blue prints)
Some boars are coming for dinner. (bore = someone who is boring)
Fairy tails (tales)

If you are interested, you can learn more of these words (lists by grade level groups). Open the words lists and click on the words for a definition and to hear it used in a sentence.