UnScramble this Word: i s r a a m l m?

Questions

What is th ename of the group of about 1300 islands in the North Indian Ocean none of which has an area greater than 5 sq miles?

In the Old Testament, from what kind of wood was the Ark of the Covenant made?

Which fantasy novel published in 1937 has an alterantive title There and Back again?

Which Derbyshire town has a twisted spire?

which map drawn about 1290 and showing Jerusalem at the centre of a falt world is kept at Hereford Cathedral?