This is a jukugo word, which usually means on'yomi readings from the kanji. If you know the readings of your kanji you'll know how to read this as well. The 一 portion gets shortened to いっ as it often is.
This magazine costs 480 yen for one volume.
Only one copy of this particular picture book exists in the world.
I bought you a book to read during your trip. The title is "Map."