Adriatic Sea Adriatic Sea The Adriatic Sea is a body of water separating the Italian Peninsula from the Balkan peninsula. The Adriatic is the northernmost arm of the Mediterranean Sea, extending from the Strait of Otranto (where it connects to the Ionian Sea) to the northwest and the Po Valley. The countries with coasts on the Adriatic are Albania, Bosnia and Herzegovina, Croatia, Italy, Montenegro and Slovenia. The Adriatic contains over 1,300 islands, mostly located along its eastern, Croatian coast. It is divided into three basins, the northern being the shallowest and the southern being the deepest, with a maximum depth of
The Arm of the Starfish "The Arm of the Starfish" appearing just three years after "A Wrinkle in Time". The final book in the O'Keefe series, "An Acceptable Time", is also the final book of the Time Quintet. The Murry-O'Keefe books have further connections with other L'Engle titles. The Austin family books have three major crossover characters in common with the O'Keefe books, two of whom are introduced in "The Arm of the Starfish". Canon Tallis meets the Austins in "The Young Unicorns", which takes place a few months after "Starfish". Adam Eddington meets Vicky Austin the following summer in "A Ring of Endless Light",