"Turtles Take Time",
"Donatello: The Ring",
"Twilight of the Ring"
Collects Teenage Mutant Ninja Turtles (1984) #32, 33 & 37 and "Donatello: The Ring" from Turtle Soup (1991) #1.
*Volume 4 contains three more adventures as the Turtles travel the world and through time. In 'Egyptian Adventure' April's friend is in need of help so the boys tag along, then the Turtles end up on the deck of a 16th century Man 'o War in 'Turtles Take Time,' and finally they get stuck battling a mob boss in 'Toitle Anxiety.' *Source: idwpublishing.com