Still new, got stuck in a box when we moved and I just found them but my son is at a higher reading level now. Books in this set include: -Dinosaurs Before Dark (#1) -The Knight at Dawn (#2) -Mummies in the Morning (#3) -Pirates Past Noon (#4) -Night of the Ninjas (#5) -Afternoon on the Amazon (#6) -Sunset of the Sabertooth (#7) -Midnight on the Moon (#8) -Dolphins at Daybreak (#9) -Ghost Town at Sundown (#10) -Lions at Lunchtime (#11) -Polar Bears Past Bedtime (#12) -Vacation Under the Volcano (#13) -Day of the Dragon King (#14) -Viking Ships at Sunrise (#15) -Hour of the Olympics (#16) -Tonight on the Titanic (#17) -Buffalo Before Breakfast (#18) -Tigers at Twilight (#19) -Dingoes at Dinnertime (#20) -Civil War on Sunday (#21) -Revolutionary War on Wednesday (#22) -Twister on Tuesday (#23) -Earthquake in the Early Morning (#24) -Stage Fright on a Summer Night (#25) -Good Morning, Gorillas (#26) -Thanksgiving on Thursday (#27) -High Tide in Hawaii (#28) -A Big Day for Baseball (#29)