Here are links to novel units and teacher guide resources for books that are appropriate for grades 1-3:
Alexander and the Terrible, Horrible, Very Bad Day
Amazing Bone, The
Amelia Bedelia
Anansi the Spider
Are You My Mother
Arthur's Eyes
Babe The Gallant Pig
Cat in the Hat, The
Cloudy With a Chance of Meatballs
Curious George
Dandelion
Danny and the Dinosaur
Day the Crayons Quit, The
Elves and the Shoemaker, The
Fire Cat, The
Flat Stanley
Freckle Juice
Frog and Toad
Green Eggs & Ham
Harold and the Purple Crayon
Henry and Mudge
Hi! Fly Guy
Hundred Dresses, The
Hundred Penny Box
If You Give...Series
Ira Sleeps Over
Johnny Appleseed
Last Stop on Market Street
Legend of the Bluebonnet, The
Life and Adventures of Santa Claus
Little Bear
Mitten, The
My Father's Dragon
Nate the Great
Olivia and Olivia Saves the Circus
Once a Mouse
One Fine Day
One in the Middle is the Green Kangaroo, The
Owl at Home
Ox-Cart Man
Paper Bag Princess
Pigeon Books
Pinkerton, Behave!
Polar Express, The
Poppleton in Winter
Put Me in the Zoo
Runaway Bunny, The
Sarah Plain and Tall
Stone Soup
Stories Julian Tells, The
Story of Ferdinand, The
Story of Jumping Mouse, The
Strega Nona
Sylvester and the Magic Pebble
Tales of Oliver Pig
Tenth Good Thing About Barney, The
There's a Nightmare in My Closet
Thunder Boy Jr
Ugly Duckling, The
Very Hungry Caterpillar, The
Where the Wild Things Are
Whipping Boy, The