The following books are included in the Grade 1 Readers package from Sonlight, a homeschool curriculum provider. They are great early readers for children who are beginning to learn to read. These books can be purchased as a package from Sonlight or directly from Amazon or another retailer.
Put Me in the Zoo
by Robert Lopshire
Also: Mensa for Kids Excellence in Reading Grades K-3
Little Bear
by Elsa Holmelund Minarik
Also: Mater Amabilis Pre-K Book List for Ages 4-5
Also: My Father's World Kindergarten Literature Collection
Also: Reading Roadmaps 1st Grade
Also: TIME: The 100 Best Children's Books of All Time
Also: Veritas Press 1st Grade Literature
One Fish Two Fish Red Fish Blue Fish
by Dr. Seuss
A Fly Went By
by Mike McClintock
The Cat in the Hat
by Dr. Seuss
Also: Mensa for Kids Excellence in Reading Grades K-3
Also: Reading Roadmaps 1st Grade
Also: TIME: The 100 Best Children's Books of All Time
Green Eggs and Ham
by Dr. Seuss
Also: Memoria Press Junior Kindergarten Read-Aloud Program
Also: TIME: The 100 Best Children's Books of All Time
A Big Ball of String
by Marion Holland
The Best Trick
by Rebecca Lewis
The Bravest Dog Ever
by Natalie Standiford
I Can Read It! Book 1
by John Holzmann
I Can Read It! Book 2
by John Holzmann
I Can Read It! Book 3
by John Holzmann
I Can Read It, Word List
by John Holzmann