What does 绿色书本 look like on Noto Emoji?

On Noto Emoji it is the design shipped in 17.0, shown above at full size. Older revisions are listed beneath it.

When did Noto Emoji add 绿色书本?

Noto Emoji first drew 绿色书本 in 14.0, released 2022年4月29日.

Google Fonts has shipped 6 versions of 绿色书本. Each is dated, so you can see when the design changed.

Noto Emoji 14.0

Noto Emoji shipped a new design for 绿色书本 in 14.0, released 2022年4月29日. The previous design is shown beside it.

The first Noto Emoji release we hold for this emoji.

✳ marks a release that redrew this emoji. The rest re-shipped the design unchanged.

What does 绿色书本 look like on Noto Emoji?: On Noto Emoji it is the design shipped in 17.0, shown above at full size. Older revisions are listed beneath it.
When did Noto Emoji add 绿色书本?: Noto Emoji first drew 绿色书本 in 14.0, released 2022年4月29日.
How many times has Noto Emoji redrawn 绿色书本?: Google Fonts has shipped 6 versions of 绿色书本. Each is dated, so you can see when the design changed.