We're here in Book 5 with 30004000 words and a B2 CEFR level. The 600 words in each book of this series along with the additional target words presented in the appendices included in the first three books of the series are the most useful words in English.

Please click the chapter on the timeline to show the chapter list.
00:00:00 Intro
00:00:08 The Little Mice
00:02:02 The Helpful Abbey
00:04:03 The Bachelor’s Lesson
00:05:56 The Corrupt Administrator
00:07:56 A Famous Accident

00:09:45 The Island
00:11:41 Small World
00:13:25 Becoming a Healer
00:15:30 The Weaving Machine
00:17:33 Life on the Farm

00:19:28 Beethoven’s Gift
00:21:19 Brothers
00:23:20 The Old Hound
00:25:09 Day Without Sight
00:27:13 The Big Ship

00:29:06 The History of Parachutes
00:31:27 “I Didn’t Do It!”
00:33:33 The Soldier’s Decision
00:35:46 Jane’s Pride
00:37:52 Microchips

00:40:04 The Twins
00:42:23 The New Bioco
00:44:39 How Comet Got His Tail
00:46:41 The Resourceful Landlord
00:48:42 The Man and the Monkey

00:50:38 Cosmo’s Flight
00:53:03 The First Organ Transplant
00:55:06 The Lottery
00:57:05 Jen’s New Job
00:58:53 The Demon’s Bridge