Doi is known for her softly styled drawings on rich creamy paper. 'Chirri & Chirra is an utterly charming series of children’s picture books.low on the angst scale and high on the charm meter. “unique and highly recommended…” - The Midwest Book Review 'The soft-edged illustrations in colored pencils, pastels, and crayons are filled with details that will have readers wanting to pause and take a closer look.' - School Library Journal, Lucia Acosta, Children’s Literature Specialist, Princeton, NJ Smudgy colored-pencil illustrations are aglow with light and color, whimsically whisking readers along with the rosy-cheeked twins.” - Booklist ”…sweetly magical and perfectly in tune with children’s acceptance of the fantastic.

”A soft, sherbet-hued realm of kindly animals, cozy dens and delicious edible treats awaits in “Chirri & Chirra, Underground” …Like the other Chirri and Chirra books, this one will earn rapturous scrutiny from readers ages 3-8.” -Meghan Cox Gurdon, The Wall Street Journal The animals have a fairy-like quality that is very appealing.' -Stephanie Tournas, Youth Services Book Review The gorgeous, fresh colored pencil drawings portray a world of harmony between the girls and the animals. ★ 'Another delightful adventure with the adorable twins Chirri and Chirra. The twins are identical, with black pageboys, dot eyes, pudgy, rosy cheeks, and Mona Lisa smiles their delight in the wonders they encounter is pure, unquestioning, and totally infectious. 'In this Japanese import, the winsome, bike-riding twins from Chirri & Chirra in the Tall Grass (2017) are back for another gently surreal adventure.

Chirri and chirra underground