Sonnets 2021 is the last compilation of the sonnets in response to current events, which Ilja Leonard Pfeijffer published in 2021 with a biweekly frequency in the book supplement of NRC Handelsblad. This limited edition was commissioned by Michaël Roumen (Kubla Khan) from Bradford. It was produced as a softcover and printed on Munken Print White, hand-stitched, in a one-time edition of 250 numbered and signed copies. The design is by ruttens-wille.