Here are some good read-aloud picture books; I don't assign grade levels to them!
Anything by Don/Audrey Wood.
Finding the Green Stone by Alice Walker
That's Good! That's Bad! by Margery Cuyler
Blueberries for Sal by Robert McCloskey
Owl Moon by Jane Yolen
Seven Blind Mice by Ed Young
No Moon, No Milk! by Chris Babcock
Airmail to the Moon by Tom Birdseye
Abiyoyo by Pete Seeger
Alexander and the Terrible, Horrible, No-Good, Very Bad Day by Judith Viorst
The Jazz Fly by Matthew Gollub
These happen to be sitting in a pile next to the couch, a few favorites that I pulled out for my grandson.
Some other favorite authors of picture books include:
Dr. Seuss, of course!
Bill Peet; Byrd Baylor; Cynthia Rylant; Dav Pilkey; Steven Kellogg; Kevin Henkes; Jon Scieszka; Tomie DePaola; Bill Martin Jr.; Eric Carle; Eve Bunting; Patricia Polacco
I could go on, but this ought to get you looking. :wink: