Focus on the Family Radio Dramas (very well done, but abridged; I much prefer having children listen to these read first) Narnia series, Secret Garden, Little Women, Les Miserable, The Hiding Place, Ben Hur, Anne of Green Gables
Look for all of the chapter books in my list in audio versions; many are available.
A
Ardizonne, Edward
The Tim series

Tim and Ginger
and more...
Gender: B
Level: 2

Ship Cook’s Ginger
and more...
Gender: B
Level: 2

Tim and Charlotte
and more...
Gender: B
Level: 2

Tim to the Rescue
and more...
Gender: B
Level: 2
B
Banks, Lynne Reid

The Indian in the Cupboard
And sequels; one of them has some weird spiritual aspects—may want to skip that one
Gender: B
Level: 2, 3
Bishop, Jennie

The Squire and the Scroll
These books are about preserving purity
Gender: B
Level: 2
D
Dalgliesh, Alice

Bears on Hemlock Mountain
Great boy story
Gender: B
Level: 1, 2
K
Kellogg, Steven

Paul Bunyan
Gender: B
Level: 1, 2

Mike Fink
Gender: B
Level: 1, 2
L
LeFeuvre, Amy

Teddy’s Button
Written in 17th century? republished by Lamplighter Publishing. Great boy story!
Gender: B
Level: 2, 3
P
Provensen

The Master Swordsman and The Magic Doorway
Gender: B
Level: 2
W
Wynne-Jones, Tim

The Zoom Trilogy
Gender: B
Level: 1, 2