Blue Platform Readers are a great bridge between the Introductory Readers and the Main Readers. 
 
978-1-916941-61-8 – Blue Platform Reader 1  The Dog and the Ball
978-1-916941-62-5 – Blue Platform Reader 2  The Little Old Woman
978-1-916941-63-2 – Blue Platform Reader 3  The Big Dog and the Little White Cat
978-1-916941-64-9 – Blue Platform Reader 4  The Little Old Man and the Donkey
978-1-916941-65-6 – Blue Platform Reader 5  Rip's Bath
978-1-916941-66-3 – Blue Platform Reader 6  The Old Blue Bus
978-1-916941-67-0 – Blue Platform Reader 7  Sita and the Little Old Woman
978-1-916941-68-7 – Blue Platform Reader 8  Billy Blue Hat and the Frog
978-1-916941-69-4 – Blue Platform Reader 9  The Magic Wood
978-1-916941-71-7 – Blue Platform Reader 10 The Witch and the Donkey
978-1-916941-72-4 – Blue Platform Reader 11 The Little Brown Mouse and the Apples
978-1-916941-73-1 – Blue Platform Reader 12 Jennifer in Dark Woods
978-1-916941-74-8 – Blue Platform Reader 13 Percy Green and Mrs Blue-hat
978-1-916941-75-5 – Blue Platform Reader 14 Benjamin, the Witch, and the Donkey
978-1-916941-76-2 – Blue Platform Reader 15 The Little Old Man and the Little Brown Mouse
978-1-916941-77-9 – Blue Platform Reader 16 Jennifer and the Little Dog
978-1-916941-78-6 – Blue Platform Reader 17 The Old Man and the Seven Mice
978-1-916941-79-3 – Blue Platform Reader 18 Roger Has a Ride
978-1-916941-80-9 – Blue Platform Reader 19 Miranda and the Magic Stones
978-1-916941-81-6 – Blue Platform Reader 20 Miranda and the Flying Broomstick