Ms. Ehlert, whose best-known book was “Chicka Chicka Boom Boom,” made distinctive collage artwork for readers ranging in age from infancy to 10.Ms. Ehlert, whose best-known book was “Chicka Chicka Boom Boom,” made distinctive collage artwork for readers ranging in age from infancy to 10.Read MoreEhlert, Lois (1934-2021), Deaths (Obituaries), Chicka Chicka Boom Boom (Book), Books and Literature, Writing and Writers, Art, Children and Childhood, Caldecott Medal
