This is a lot of 25 (books 1-25) Decodable Books by Harcourt.  Books have signs of use but still in good condition.  
Tim and Nip
Where is Big Kam?
Ham? Hat?
Where is Hal?
Peg and Gus
Here, Little Cat!
Pam Cat
Hats that Tap!
Sig the Pig
What's in Kim's Sack?
Dot and Pom-Pom
At the Mall
Where is Nan?
Stan and Brad
Morning Song
Look at the Fish
Zing, Zang, Zong
The Snowstorm
Look! Green Beans!
The Helping Day
Mike's Job
Travel Tips
Let's Go!
King Wick Plays Ball
At the Pond