Looking for gentle children’s books about grief or loss

I’ve been looking for gentle, age-appropriate children’s books about grief. I went through this with my son, and finding something that didn’t feel overwhelming was really important to me.

One book that helped us was Grandma’s Garden of Memories. It explains loss in a calm, comforting way and focuses more on love and memories than anything scary. I just wanted to share in case it helps another family.

Would love any other recommendations too.