Son of Doctor Esker's Notebook (The Sequel)

Hint
Small #1	341	643	433	393	359	209	419	407	155	316
Small #2	337	659	437	407	346	171	410	421	168	297
Small #3	300	638	402	415	359	159	396	409	150	283
Medium #1	331	666	401	410	298	145	395	443	150	299
Medium #2	312	643	345	393	297	145	359	441	141	307
Medium #3	318	658	310	389	240	135	342	444	142	275
Large #1	273	724	322	425	210	159	329	456	162	318
Large #2	255	687	282	428	250	154	289	432	150	299
Large #3	239	571	302	327	222	211	319	440	162	358

Return of Doctor Esker's Notebook (The Other Sequel)

Hint
Small #1	130	194	172	71	163	112	80	105	143	111
Small #2	119	186	165	64	171	106	79	102	144	110
Small #3	114	191	170	64	165	95	77	108	134	115
Medium #1	116	183	184	78	173	99	84	110	161	117
Medium #2	115	173	192	75	167	95	93	104	154	102
Medium #3	118	173	190	77	164	85	80	104	135	105
Large #1	119	180	212	83	172	79	78	106	111	126
Large #2	81	160	174	82	188	70	88	100	103	131
Large #3	78	163	165	100	158	73	77	73	73	125

Doctor Esker's Notebook IV: The Moroccan Affair
(The Other Other Sequel)

Hint
Small #1	24	24	31	60	50	55	35	64	75	26
Small #2	24	24	29	55	52	55	33	65	63	26
Small #3	21	23	28	55	48	67	30	62	70	29
Medium #1	22	21	30	63	49	63	32	61	70	30
Medium #2	18	17	29	62	42	50	29	58	74	22
Medium #3	15	17	30	49	40	47	32	55	78	24
Large #1	15	15	31	45	38	55	28	55	57	27
Large #2	13	16	32	35	28	43	24	48	41	25
Large #3	20	21	28	40	28	45	31	47	39	36

The hints are sorted by how much help they give you.
The last Large Hint on each page comes very close to just giving you the solution.