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บทที่	ชื่อของบทเรียน	ประเภทของบทเรียน
1	May, might and maybe	Grammar
2	What Geoff might do	Grammar Reader
3	Can and could for ability	Grammar
4	Joe and basketball	Grammar Reader
5	Will and would	Grammar
6	What would you like to do?	Conversation
7	Should/Must/Have to/Had to	Grammar
8	Going out or staying home	Grammar Reader
9	Let, make, and allow	Grammar
10	In elementary school	Grammar Reader
11	What, where and when in statements	Grammar
12	Adjective clauses	Grammar
13	Where we used to live	Grammar Reader
14	Present Perfect Tense with ‘already’ and ‘yet’	Grammar
15	About to/just	Grammar
16	My brother called	Grammar
17	Present Perfect with for/since	Grammar
18	Present Perfect Questions with ‘ever’	Grammar
19	Present Perfect Progressive/Continuous	Grammar
20	What have Erica and Jane been doing?	Grammar Reader
21	Tag Questions	Grammar
22	Sam’s brother	Conversation
23	Separable two word verbs	Grammar
24	Non–separable Two–word verbs	Grammar
25	After school	Grammar Reader
26	The California Condor	Passage
27	The last condor on earth	Passage
28	A decision to search	Passage
29	Goodbye to the desert	Passage
30	The journey begins	Passage
31	Fact no.1: Death Valley, California	Passage
32	The seabird	Passage
33	The condor meets the seabird	Conversation
34	A new friend	Passage
35	A journey together	Passage
36	Looking for advice	Passage
37	The whales	Passage
38	The whales give advice to the birds	Conversation
39	Going to South America	Passage
40	Fact no.2: Blue Whales	Passage
41	A rest on an island	Passage
42	A close escape	Passage
43	The puma and the birds	Conversation
44	Another animal alone	Passage
45	Fact no.3: Pumas	Passage
46	A poor sleep	Passage
47	The Amazon	Passage
48	The parrots	Passage
49	The condor and seabird speak with the parrots	Conversation
50	Going to the Andes Mountains	Passage