Homographs, Homonyms, and Homophones
Homograph -- a word spelt like another but of different meaning or origin.
Homographs need not have the same pronunciation.

Homonym  -- a word of the same spelling or sound as another but of
different meaning.

Homophone -- a word having the same sound as another but of different
meaning, origin or spelling.

Heteronym -- a word having the same spelling as another, but a different
sound and meaning
.
Truman's Aunt Farm
by Jama Kim Rattigan

Truman sends away for the "ant" farm his Aunt Fran
gave him as a birthday present. He gets more than he
bargained for when "aunts" start showing up at his
house.
A fabulous integrated unit on this book can be found in Five in a Row
Volume 3 which can be purchased online from
Five in a Row.
A Chocolate Moose for DInner
by Fred Gwynne

A little girl pictures the things her parents talk about, such
as a chocolate moose, a gorilla war, and shoe trees.
The King Who Rained
by Fred Gwynne

Confused by the different meanings of words that
sound alike, a little girl imagines such unusual sights as
"a king who rained" and "the foot prince in the snow.
"
A Little Pigeon Toad
by Fred Gwynne

Humorous text and illustrations introduce a variety of
homonyms and figures of speech.
Eight Ate: a Feast of Homonym Riddles
by Marvin Terban

A  collection of original riddles, each using a homonym as
the answer: bizarre-bazaar, knight-night, and similar pairs
of words.
See the Yak Yak
by Charles Ghigna

Illustrations and brief text present pairs of words
that are spelled the same but have different
meanings.
The Dove Dove : Funny Homograph Riddles
by Marvin Terban

A collection of over seventy riddles using
homographs, words that are spelled the same
but differ in meaning and pronunciation
.
Hay! Hay! a Wagonful of Funny Homonym Riddles
by Marvin Terban

A collection of riddles based on homonyms, arranged according to
construction and level of difficulty.