Complex sentence: In June 2004, Will released a pictorial and conversational English book "Never Teach Me Grammar" (就是不想學文法) which he co-wrote during the period when he was hospitalised for knee injuries.
Split into simpler sentences: In June 2004, he released a pictorial and conversational English book "Never Teach Me Grammar" (就是不想學文法). He co-wrote the book during the period when he was hospitalised for knee injuries.