It is that he has not edited these occurances of "nunation" into their specific category: "double fatha," "double damma," and "double kasra. A sentence such as: "The book in the tree is very ugly and rotten.
Even having read it several times, I still don't know what a "doubling" of a consonant is exactly supposed to describe, and it's not for want of due attention to its description XLV: "a strong emphasis on the consonant being doubled" "the "d" in "modernity", but contrast page "dad is another mpahtic sound In English the letter "c" is sometimes pronounced like an "s" ceasar and sometimes like a "k" cucumber.
I like how it lowers its scope to simple writing and reading topics and didn't try to pack too much into one volume.
Confusing, and that's the very first lesson. The Arabic script is essentially a cursive script, much like handwritten English.
As you learn more about Arabic grammar you will be able to "guess" the missing short vowels and pronounce unknown words. Easy In this group are all the letters that are more or less exactly pronounced as their English counterparts. English, of course, is written from left to right like this.