High-Interest Leveled Reading Activities. Now children will want to develop and improve their reading skills! The new Leveled Reading series from Weekly Reader combines high-interest nonfiction and fiction in engaging student practice books, written at specific reading levels: 3.4-4.0 for third graders. With Leveled Reading, the five skills of reading are carefully sequenced through high-interest, visually stimulating reading selections, followed by questions that develop strong literacy skills. Grade-appropriate material includes inferential comprehension for late third grade.