This is the 4000 Essential English Words 2nd Edition Book 4 with 3000 words in B2 CEFR level.
Words are the building blocks of the English language. You can’t have a conversation without them! Improve your vocabulary and use words more fluently with 4000 Essential English Words 2nd Edition. Get it now on Amazon!

Please click the chapter on the timeline to show the chapter list.
List of units:
00:00:00 Unit 1
00:04:57 Social Media
00:07:18 Unit 2
00:11:58 Enhanced Weathering
00:14:26 Unit 3
00:19:03 Le ChambonsurLignon
00:21:07 Unit 4
00:26:10 Women in Tech
00:28:39 Unit 5
00:33:15 Impressionism

00:35:47 Unit 6
00:40:25 Anzac Day
00:42:54 Unit 7
00:47:55 Endangered Languages
00:50:11 Unit 8
00:54:58 The Ketogenic Diet
00:57:22 Unit 9
01:01:50 The Bachelor's Lesson
01:04:02 Unit 10
01:08:40 The Corrupt Administrator

01:10:50 Unit 11
01:15:30 A Famous Accident
01:17:24 Unit 12
01:22:01 Beethoven's Gift
01:24:13 Unit 13
01:28:36 A Day Without Sight
01:30:44 Unit 14
01:35:11 The History of Parachutes
01:37:34 Unit 15
01:42:10 Microchips

01:44:05 Unit 16
01:48:57 The New Bioco
01:51:25 Unit 17
01:55:55 The Resourceful Landlord
01:57:52 Unit 18
02:02:31 The First Organ Transplant
02:04:51 Unit 19
02:09:12 The North Star
02:11:14 Unit 20
02:15:49 Dressed to Excess

02:18:16 Unit 21
02:22:45 Amazing Komodo Dragons
02:24:49 Unit 22
02:29:01 Greek Magical Papyri
02:31:04 Unit 23
02:35:28 Dangerous Bites
02:37:32 Unit 24
02:41:58 The Lydian King
02:44:19 Unit 25
02:48:54 The End of Smallpox

02:51:07 Unit 26
02:55:38 Epidemic in Zimbabwe
02:58:03 Unit 27
03:02:52 Seizures Then and Now
03:05:01 Unit 28
03:09:28 The Ice House
03:11:50 Unit 29
03:16:38 Preparing for Future
03:18:51 Unit 30
03:23:29 Hundred Plays